503 Service Unavailable after updating from Ubuntu 20.04-24.04

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Sorry to hear you’re facing problems :slightly_frowning_face:

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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can :heart:

Nextcloud version (eg, 20.0.5): 25.0.13.2
Operating system and version (eg, Ubuntu 20.04): Ubuntu 24.04
Apache or nginx version (eg, Apache 2.4.25): Server version: Apache/2.4.58 (Ubuntu) Server built: 2024-04-18T15:13:41
PHP version (eg, 7.4): 8.3, unable to load any apache mods previous to this

The issue you are facing:
I was due to do a big upgrade from 20.04 - 24.04.
I backed up my VM and ran the upgrade to 22.04-24.04 on the backup successfully, migrated the new HD image to the main VM and loaded. At first apache was unable to load as it was still trying to load the php 7.4 mod but when I disable it and enable the php8.3 mod (the only one I can enable) I am faced with a 503 error.
I assume NC25 doesn’t work with php 8.3 but I’m stuck in the position of being unable to upgrade in my familiar manner through the webui since I’m unable to install any older php mods for apache2

apt install libapache2-mod-php7.4
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package libapache2-mod-php7.4 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
  libapache2-mod-php8.1 libapache2-mod-php7.4


apt install libapache2-mod-php8.1
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package libapache2-mod-php8.1 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'libapache2-mod-php8.1' has no installation candidate

Is this the first time you’ve seen this error? (Y/N): I usually face errors every time I upgrade my server OS which is why I migrated to a VM where I could have a broken server and a working server after the upgrade until I can fix the broken one.

Steps to replicate it:

  1. upgrade from Ubuntu 20-04 - 24.04
  2. Feels bad

The output of your Nextcloud log in Admin > Logging: unable to access the webui. Here is the output from tail /var/log/nextcloud.log

tail /var/log/nextcloud.log
{"reqId":"Evwd1jLcSqQro1QXMA5x","level":0,"time":"May 19, 2024 13:35:18","remoteAddr":"10.10.10.68","user":"--","app":"carnet","method":"GET","url":"/index.php/204","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (Linux) mirall/3.13.0git (Nextcloud, manjaro-6.1.90-1-MANJARO ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"25.0.13.2","data":{"app":"carnet"}}
{"reqId":"Evwd1jLcSqQro1QXMA5x","level":3,"time":"May 19, 2024 13:35:19","remoteAddr":"10.10.10.68","user":"--","app":"PHP","method":"GET","url":"/index.php/204","message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","userAgent":"Mozilla/5.0 (Linux) mirall/3.13.0git (Nextcloud, manjaro-6.1.90-1-MANJARO ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"25.0.13.2","exception":{"Exception":"Error","Message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/Files/Storage/Local.php","line":312,"function":"file_put_contents"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":1197,"function":"file_put_contents","class":"OC\\Files\\Storage\\Local","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":716,"function":"basicOperation","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/Node/File.php","line":71,"function":"file_put_contents","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/SimpleFS/SimpleFile.php","line":92,"function":"putContent","class":"OC\\Files\\Node\\File","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":194,"function":"putContent","class":"OC\\Files\\SimpleFS\\SimpleFile","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":97,"function":"cache","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":125,"function":"process","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":77,"function":"cacheAndAppendCombineJsonIfExist","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/ResourceLocator.php","line":78,"function":"doFind","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":385,"function":"find","class":"OC\\Template\\ResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":217,"function":"findJavascriptFiles","class":"OC\\TemplateLayout","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":184,"function":"__construct","class":"OC\\TemplateLayout","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/Base.php","line":132,"function":"fetchPage","class":"OC_Template","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":274,"function":"printPage","class":"OC\\Template\\Base","type":"->"},{"file":"/var/www/html/nextcloud/lib/base.php","line":698,"function":"printGuestPage","class":"OC_Template","type":"::"},{"file":"/var/www/html/nextcloud/lib/base.php","line":1150,"function":"init","class":"OC","type":"::"},{"file":"/var/www/html/nextcloud/index.php","line":34,"args":["/var/www/html/nextcloud/lib/base.php"],"function":"require_once"}],"File":"/var/www/html/nextcloud/lib/private/Log/ErrorHandler.php","Line":92,"CustomMessage":"--"}}
{"reqId":"RWkzuBB1MnNsq73GtbEg","level":0,"time":"May 19, 2024 13:35:28","remoteAddr":"10.100.10.69","user":"--","app":"carnet","method":"GET","url":"/index.php/204","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (Android) Nextcloud-android/3.29.0","version":"25.0.13.2","data":{"app":"carnet"}}
{"reqId":"RWkzuBB1MnNsq73GtbEg","level":3,"time":"May 19, 2024 13:35:28","remoteAddr":"10.100.10.69","user":"--","app":"PHP","method":"GET","url":"/index.php/204","message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","userAgent":"Mozilla/5.0 (Android) Nextcloud-android/3.29.0","version":"25.0.13.2","exception":{"Exception":"Error","Message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/Files/Storage/Local.php","line":312,"function":"file_put_contents"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":1197,"function":"file_put_contents","class":"OC\\Files\\Storage\\Local","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":716,"function":"basicOperation","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/Node/File.php","line":71,"function":"file_put_contents","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/SimpleFS/SimpleFile.php","line":92,"function":"putContent","class":"OC\\Files\\Node\\File","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":194,"function":"putContent","class":"OC\\Files\\SimpleFS\\SimpleFile","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":97,"function":"cache","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":125,"function":"process","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":77,"function":"cacheAndAppendCombineJsonIfExist","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/ResourceLocator.php","line":78,"function":"doFind","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":385,"function":"find","class":"OC\\Template\\ResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":217,"function":"findJavascriptFiles","class":"OC\\TemplateLayout","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":184,"function":"__construct","class":"OC\\TemplateLayout","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/Base.php","line":132,"function":"fetchPage","class":"OC_Template","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":274,"function":"printPage","class":"OC\\Template\\Base","type":"->"},{"file":"/var/www/html/nextcloud/lib/base.php","line":698,"function":"printGuestPage","class":"OC_Template","type":"::"},{"file":"/var/www/html/nextcloud/lib/base.php","line":1150,"function":"init","class":"OC","type":"::"},{"file":"/var/www/html/nextcloud/index.php","line":34,"args":["/var/www/html/nextcloud/lib/base.php"],"function":"require_once"}],"File":"/var/www/html/nextcloud/lib/private/Log/ErrorHandler.php","Line":92,"CustomMessage":"--"}}
{"reqId":"j65lhwNgb5YNewPiSWpW","level":0,"time":"May 19, 2024 13:36:08","remoteAddr":"10.100.10.59","user":"--","app":"carnet","method":"PROPFIND","url":"/remote.php/dav/files/will/","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (Android) Nextcloud-android/3.29.0","version":"25.0.13.2","data":{"app":"carnet"}}
{"reqId":"j65lhwNgb5YNewPiSWpW","level":3,"time":"May 19, 2024 13:36:08","remoteAddr":"10.100.10.59","user":"--","app":"PHP","method":"PROPFIND","url":"/remote.php/dav/files/will/","message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","userAgent":"Mozilla/5.0 (Android) Nextcloud-android/3.29.0","version":"25.0.13.2","exception":{"Exception":"Error","Message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/Files/Storage/Local.php","line":312,"function":"file_put_contents"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":1197,"function":"file_put_contents","class":"OC\\Files\\Storage\\Local","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":716,"function":"basicOperation","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/Node/File.php","line":71,"function":"file_put_contents","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/SimpleFS/SimpleFile.php","line":92,"function":"putContent","class":"OC\\Files\\Node\\File","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":194,"function":"putContent","class":"OC\\Files\\SimpleFS\\SimpleFile","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":97,"function":"cache","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":125,"function":"process","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":77,"function":"cacheAndAppendCombineJsonIfExist","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/ResourceLocator.php","line":78,"function":"doFind","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":385,"function":"find","class":"OC\\Template\\ResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":217,"function":"findJavascriptFiles","class":"OC\\TemplateLayout","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":184,"function":"__construct","class":"OC\\TemplateLayout","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/Base.php","line":132,"function":"fetchPage","class":"OC_Template","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":274,"function":"printPage","class":"OC\\Template\\Base","type":"->"},{"file":"/var/www/html/nextcloud/lib/base.php","line":698,"function":"printGuestPage","class":"OC_Template","type":"::"},{"file":"/var/www/html/nextcloud/lib/base.php","line":1150,"function":"init","class":"OC","type":"::"},{"file":"/var/www/html/nextcloud/remote.php","line":119,"args":["/var/www/html/nextcloud/lib/base.php"],"function":"require_once"}],"File":"/var/www/html/nextcloud/lib/private/Log/ErrorHandler.php","Line":92,"CustomMessage":"--"}}
{"reqId":"xLUSFItZYOBWeaiATexa","level":0,"time":"May 19, 2024 13:36:20","remoteAddr":"10.10.10.68","user":"--","app":"carnet","method":"GET","url":"/index.php/204","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (Linux) mirall/3.13.0git (Nextcloud, manjaro-6.1.90-1-MANJARO ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"25.0.13.2","data":{"app":"carnet"}}
{"reqId":"xLUSFItZYOBWeaiATexa","level":3,"time":"May 19, 2024 13:36:20","remoteAddr":"10.10.10.68","user":"--","app":"PHP","method":"GET","url":"/index.php/204","message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","userAgent":"Mozilla/5.0 (Linux) mirall/3.13.0git (Nextcloud, manjaro-6.1.90-1-MANJARO ClientArchitecture: x86_64 OsArchitecture: x86_64)","version":"25.0.13.2","exception":{"Exception":"Error","Message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/Files/Storage/Local.php","line":312,"function":"file_put_contents"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":1197,"function":"file_put_contents","class":"OC\\Files\\Storage\\Local","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":716,"function":"basicOperation","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/Node/File.php","line":71,"function":"file_put_contents","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/SimpleFS/SimpleFile.php","line":92,"function":"putContent","class":"OC\\Files\\Node\\File","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":194,"function":"putContent","class":"OC\\Files\\SimpleFS\\SimpleFile","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":97,"function":"cache","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":125,"function":"process","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":77,"function":"cacheAndAppendCombineJsonIfExist","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/ResourceLocator.php","line":78,"function":"doFind","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":385,"function":"find","class":"OC\\Template\\ResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":217,"function":"findJavascriptFiles","class":"OC\\TemplateLayout","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":184,"function":"__construct","class":"OC\\TemplateLayout","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/Base.php","line":132,"function":"fetchPage","class":"OC_Template","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":274,"function":"printPage","class":"OC\\Template\\Base","type":"->"},{"file":"/var/www/html/nextcloud/lib/base.php","line":698,"function":"printGuestPage","class":"OC_Template","type":"::"},{"file":"/var/www/html/nextcloud/lib/base.php","line":1150,"function":"init","class":"OC","type":"::"},{"file":"/var/www/html/nextcloud/index.php","line":34,"args":["/var/www/html/nextcloud/lib/base.php"],"function":"require_once"}],"File":"/var/www/html/nextcloud/lib/private/Log/ErrorHandler.php","Line":92,"CustomMessage":"--"}}
{"reqId":"Xnk8dPXGF7OsZvJK8iHA","level":0,"time":"May 19, 2024 13:36:40","remoteAddr":"10.100.10.69","user":"--","app":"carnet","method":"PROPFIND","url":"/remote.php/dav/files/will/","message":"/appinfo/app.php is deprecated, use \\OCP\\AppFramework\\Bootstrap\\IBootstrap on the application class instead.","userAgent":"Mozilla/5.0 (Android) Nextcloud-android/3.29.0","version":"25.0.13.2","data":{"app":"carnet"}}
{"reqId":"Xnk8dPXGF7OsZvJK8iHA","level":3,"time":"May 19, 2024 13:36:40","remoteAddr":"10.100.10.69","user":"--","app":"PHP","method":"PROPFIND","url":"/remote.php/dav/files/will/","message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","userAgent":"Mozilla/5.0 (Android) Nextcloud-android/3.29.0","version":"25.0.13.2","exception":{"Exception":"Error","Message":"file_put_contents(/willzpool/nextcloud/data/appdata_ocvfp7g5olni/js/core/merged-template-prepend.js): failed to open stream: No such file or directory at /var/www/html/nextcloud/lib/private/Files/Storage/Local.php#312","Code":0,"Trace":[{"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/Files/Storage/Local.php","line":312,"function":"file_put_contents"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":1197,"function":"file_put_contents","class":"OC\\Files\\Storage\\Local","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/View.php","line":716,"function":"basicOperation","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/Node/File.php","line":71,"function":"file_put_contents","class":"OC\\Files\\View","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Files/SimpleFS/SimpleFile.php","line":92,"function":"putContent","class":"OC\\Files\\Node\\File","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":194,"function":"putContent","class":"OC\\Files\\SimpleFS\\SimpleFile","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSCombiner.php","line":97,"function":"cache","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":125,"function":"process","class":"OC\\Template\\JSCombiner","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/JSResourceLocator.php","line":77,"function":"cacheAndAppendCombineJsonIfExist","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/ResourceLocator.php","line":78,"function":"doFind","class":"OC\\Template\\JSResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":385,"function":"find","class":"OC\\Template\\ResourceLocator","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/TemplateLayout.php","line":217,"function":"findJavascriptFiles","class":"OC\\TemplateLayout","type":"::"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":184,"function":"__construct","class":"OC\\TemplateLayout","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/Template/Base.php","line":132,"function":"fetchPage","class":"OC_Template","type":"->"},{"file":"/var/www/html/nextcloud/lib/private/legacy/OC_Template.php","line":274,"function":"printPage","class":"OC\\Template\\Base","type":"->"},{"file":"/var/www/html/nextcloud/lib/base.php","line":698,"function":"printGuestPage","class":"OC_Template","type":"::"},{"file":"/var/www/html/nextcloud/lib/base.php","line":1150,"function":"init","class":"OC","type":"::"},{"file":"/var/www/html/nextcloud/remote.php","line":119,"args":["/var/www/html/nextcloud/lib/base.php"],"function":"require_once"}],"File":"/var/www/html/nextcloud/lib/private/Log/ErrorHandler.php","Line":92,"CustomMessage":"--"}}

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

<?php
$CONFIG = array (
  'debug' => false,
  'instanceid' => 'ocvfp7g5olni',
  'passwordsalt' => 'txYQTE2k5t4SRF/qoQ6FIHS6GRDtN9',
  'secret' => 'FttHt2kr/9yV15mxCvT3v1e2nTF6OfRPt0xcCdBy5Q+wN7Ev',
  'trusted_domains' => 
  array (
    0 => '192.168.1.62',
    1 => 'ubuntuserver',
    2 => 'ubuntuserver.local.ftb',
    3 => 'nextcloud.ubuntuserver.local.ftb',
    4 => 'nextcloud.ubuntuserver.ftb',
    5 => '10.10.10.62',
    6 => 'xxxxx:xxxx',
    7 => 'xxxxx:xxxx',
    8 => 'xxxx:xxxx',
    9 => 'xxxx:xxxx',
    10 => '10.10.20.62',
    11 => 'vin',
    12 => 'nextcloud.vin.ftb',
    13 => 'xxxx',
    14 => 'xxxx',
  ),
  'datadirectory' => '/willzpool/nextcloud/data',
  'overwrite.cli.url' => 'https://xxxx.xxxx.co.uk:xxxx',
  'dbtype' => 'mysql',
  'version' => '25.0.13.2',
  'dbname' => 'nextcloud',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'dbuser' => 'nextcloud',
  'dbpassword' => 'xxxxxx',
  'logtimezone' => 'UTC',
  'default_phone_region' => 'GB',
  'installed' => true,
  'mail_smtpmode' => 'smtp',
  'mail_smtpsecure' => 'tls',
  'mail_from_address' => 'xxxxx',
  'mail_domain' => 'xxxx.com',
  'mail_smtpauthtype' => 'LOGIN',
  'mail_smtpauth' => 1,
  'mail_smtphost' => 'xxxx.xxxx.com',
  'mail_smtpport' => '587',
  'mail_smtpname' => 'xxxx@xxxx.com',
  'mail_smtppassword' => 'xxx;xxxxx',
  'memcache.local' => '\\OC\\Memcache\\APCu',
  'memcache.locking' => '\\OC\\Memcache\\Redis',
  'redis' => 
  array (
    'host' => 'localhost',
    'port' => 6379,
  ),
  'maintenance' => false,
  'theme' => '',
  'updater.release.channel' => 'stable',
  'allow_local_remote_servers' => 'true',
  'mysql.utf8mb4' => true,
  'log_type' => 'file',
  'logfile' => '/var/log/nextcloud.log',
  'logfilemode' => 416,
  'loglevel' => 0,
  'logdateformat' => 'F d, Y H:i:s',
  'app_install_overwrite' => 
  array (
    0 => 'calendar',
    1 => 'mail',
    2 => 'richdocuments',
  ),
  'twofactor_enforced' => 'false',
  'twofactor_enforced_groups' => 
  array (
  ),
  'twofactor_enforced_excluded_groups' => 
  array (
  ),
  'enable_previews' => true,
  'enabledPreviewProviders' => 
  array (
    0 => 'OC\\Preview\\Movie',
    1 => 'OC\\Preview\\PNG',
    2 => 'OC\\Preview\\JPEG',
    3 => 'OC\\Preview\\GIF',
    4 => 'OC\\Preview\\BMP',
    5 => 'OC\\Preview\\XBitmap',
    6 => 'OC\\Preview\\MP3',
    7 => 'OC\\Preview\\MP4',
    8 => 'OC\\Preview\\TXT',
    9 => 'OC\\Preview\\MarkDown',
    10 => 'OC\\Preview\\PDF',
  ),
  'has_rebuilt_cache' => true,
);

The output of your Apache/nginx/system log in /var/log/____:

[Sun May 19 11:00:44.833210 2024] [ssl:warn] [pid 2041] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:00:44.833369 2024] [ssl:warn] [pid 2041] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:00:44.833488 2024] [ssl:warn] [pid 2041] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:00:44.833597 2024] [ssl:warn] [pid 2041] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:00:44.833919 2024] [ssl:warn] [pid 2041] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:00:44.834228 2024] [mpm_prefork:notice] [pid 2041] AH00163: Apache/2.4.41 (Ubuntu) OpenSSL/1.1.1g configured -- resuming normal operations
[Sun May 19 11:00:44.834232 2024] [core:notice] [pid 2041] AH00094: Command line: '/usr/sbin/apache2'
[Sun May 19 11:13:38.897854 2024] [mpm_prefork:notice] [pid 2041] AH00169: caught SIGTERM, shutting down
[Sun May 19 11:13:38.930274 2024] [ssl:warn] [pid 12105] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.930407 2024] [ssl:warn] [pid 12105] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.930526 2024] [ssl:warn] [pid 12105] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.930650 2024] [ssl:warn] [pid 12105] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.930968 2024] [ssl:warn] [pid 12105] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.956744 2024] [ssl:warn] [pid 12106] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.956882 2024] [ssl:warn] [pid 12106] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.957001 2024] [ssl:warn] [pid 12106] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.957120 2024] [ssl:warn] [pid 12106] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.957422 2024] [ssl:warn] [pid 12106] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 11:13:38.960047 2024] [mpm_prefork:notice] [pid 12106] AH00163: Apache/2.4.41 (Ubuntu) OpenSSL/1.1.1g configured -- resuming normal operations
[Sun May 19 11:13:38.960057 2024] [core:notice] [pid 12106] AH00094: Command line: '/usr/sbin/apache2'
[Sun May 19 14:36:49.954543 2024] [mpm_prefork:notice] [pid 12106] AH00169: caught SIGTERM, shutting down
[Sun May 19 18:04:36.786913 2024] [ssl:warn] [pid 6803] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.851377 2024] [ssl:warn] [pid 6803] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.852072 2024] [ssl:warn] [pid 6803] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.852754 2024] [ssl:warn] [pid 6803] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.867568 2024] [ssl:warn] [pid 6803] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.876504 2024] [ssl:warn] [pid 6822] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.877230 2024] [ssl:warn] [pid 6822] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.877917 2024] [ssl:warn] [pid 6822] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.878578 2024] [ssl:warn] [pid 6822] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.880103 2024] [ssl:warn] [pid 6822] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:04:36.883275 2024] [mpm_prefork:notice] [pid 6822] AH00163: Apache/2.4.58 (Ubuntu) OpenSSL/3.0.13 configured -- resuming normal operations
[Sun May 19 18:04:36.883288 2024] [core:notice] [pid 6822] AH00094: Command line: '/usr/sbin/apache2'
[Sun May 19 18:05:04.954830 2024] [proxy:error] [pid 6824] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:05:04.954831 2024] [proxy:error] [pid 6825] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:05:04.954862 2024] [proxy_fcgi:error] [pid 6824] [client 10.10.10.68:42442] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:05:04.954869 2024] [proxy_fcgi:error] [pid 6825] [client 10.10.10.68:42446] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:05:04.965383 2024] [proxy:error] [pid 6826] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:05:04.965403 2024] [proxy_fcgi:error] [pid 6826] [client 10.10.10.68:42454] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:05:31.241608 2024] [proxy:error] [pid 6827] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:05:31.241650 2024] [proxy_fcgi:error] [pid 6827] [client 10.100.10.69:60162] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:06:06.879564 2024] [proxy:error] [pid 6828] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:06:06.879596 2024] [proxy_fcgi:error] [pid 6828] [client 10.10.10.68:35902] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:07:08.887419 2024] [proxy:error] [pid 6872] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:07:08.887457 2024] [proxy_fcgi:error] [pid 6872] [client 10.10.10.68:50148] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:07:31.378772 2024] [mpm_prefork:notice] [pid 6822] AH00170: caught SIGWINCH, shutting down gracefully
[Sun May 19 18:07:31.440955 2024] [ssl:warn] [pid 7429] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.441638 2024] [ssl:warn] [pid 7429] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.442324 2024] [ssl:warn] [pid 7429] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.442999 2024] [ssl:warn] [pid 7429] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.444569 2024] [ssl:warn] [pid 7429] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.533899 2024] [ssl:warn] [pid 7430] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.534600 2024] [ssl:warn] [pid 7430] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.535300 2024] [ssl:warn] [pid 7430] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.535987 2024] [ssl:warn] [pid 7430] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.537495 2024] [ssl:warn] [pid 7430] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:07:31.543158 2024] [mpm_prefork:notice] [pid 7430] AH00163: Apache/2.4.58 (Ubuntu) OpenSSL/3.0.13 configured -- resuming normal operations
[Sun May 19 18:07:31.543169 2024] [core:notice] [pid 7430] AH00094: Command line: '/usr/sbin/apache2'
[Sun May 19 18:07:55.853994 2024] [proxy:error] [pid 7434] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:07:55.854025 2024] [proxy_fcgi:error] [pid 7434] [client 10.100.10.68:38652] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:07:55.983231 2024] [proxy:error] [pid 7435] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:07:55.983258 2024] [proxy_fcgi:error] [pid 7435] [client 10.100.10.68:38654] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:08:05.951436 2024] [proxy:error] [pid 7436] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:08:05.951468 2024] [proxy_fcgi:error] [pid 7436] [client 10.100.10.68:60498] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:08:06.607069 2024] [proxy:error] [pid 7432] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:08:06.607083 2024] [proxy_fcgi:error] [pid 7432] [client 10.100.10.68:60502] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:08:10.883027 2024] [proxy:error] [pid 7433] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:08:10.883056 2024] [proxy_fcgi:error] [pid 7433] [client 10.10.10.68:52774] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:09:12.887801 2024] [proxy:error] [pid 7434] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:09:12.887823 2024] [proxy_fcgi:error] [pid 7434] [client 10.10.10.68:38400] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:14.882882 2024] [proxy:error] [pid 7435] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:14.882921 2024] [proxy_fcgi:error] [pid 7435] [client 10.10.10.68:38308] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:26.132843 2024] [proxy:error] [pid 7436] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:26.132870 2024] [proxy_fcgi:error] [pid 7436] [client 10.100.10.68:40078] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:26.896046 2024] [proxy:error] [pid 7432] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:26.896062 2024] [proxy_fcgi:error] [pid 7432] [client 10.100.10.68:40088] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:27.265484 2024] [proxy:error] [pid 7433] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:27.265505 2024] [proxy_fcgi:error] [pid 7433] [client 10.100.10.68:40098] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:27.427027 2024] [proxy:error] [pid 7434] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:27.427039 2024] [proxy_fcgi:error] [pid 7434] [client 10.100.10.68:40106] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:27.596216 2024] [proxy:error] [pid 7435] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:27.596227 2024] [proxy_fcgi:error] [pid 7435] [client 10.100.10.68:40114] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:28.799879 2024] [proxy:error] [pid 7436] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:28.799903 2024] [proxy_fcgi:error] [pid 7436] [client 10.100.10.59:39319] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:29.316879 2024] [proxy:error] [pid 7432] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:29.316899 2024] [proxy_fcgi:error] [pid 7432] [client 10.100.10.59:46024] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:10:29.396137 2024] [proxy:error] [pid 7433] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:10:29.396149 2024] [proxy_fcgi:error] [pid 7433] [client 10.100.10.59:46030] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:11:16.878909 2024] [proxy:error] [pid 7434] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:11:16.878941 2024] [proxy_fcgi:error] [pid 7434] [client 10.10.10.68:44270] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:11:27.915325 2024] [mpm_prefork:notice] [pid 7430] AH00169: caught SIGTERM, shutting down
[Sun May 19 18:22:02.209561 2024] [ssl:warn] [pid 9783] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.210261 2024] [ssl:warn] [pid 9783] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.210993 2024] [ssl:warn] [pid 9783] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.211643 2024] [ssl:warn] [pid 9783] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.213149 2024] [ssl:warn] [pid 9783] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.241185 2024] [ssl:warn] [pid 9784] AH01909: webmin.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.241895 2024] [ssl:warn] [pid 9784] AH01909: webmin.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.242562 2024] [ssl:warn] [pid 9784] AH01909: plex.vin.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.243253 2024] [ssl:warn] [pid 9784] AH01909: plex.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.244784 2024] [ssl:warn] [pid 9784] AH01909: nextcloud.ubuntuserver.ftb:443:0 server certificate does NOT include an ID which matches the server name
[Sun May 19 18:22:02.250501 2024] [mpm_prefork:notice] [pid 9784] AH00163: Apache/2.4.58 (Ubuntu) OpenSSL/3.0.13 configured -- resuming normal operations
[Sun May 19 18:22:02.250512 2024] [core:notice] [pid 9784] AH00094: Command line: '/usr/sbin/apache2'
[Sun May 19 18:22:08.021580 2024] [proxy:error] [pid 9786] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:22:08.021602 2024] [proxy_fcgi:error] [pid 9786] [client 10.100.10.68:45546] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:22:09.070745 2024] [proxy:error] [pid 9787] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:22:09.070777 2024] [proxy_fcgi:error] [pid 9787] [client 10.100.10.68:45558] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:22:38.876651 2024] [proxy:error] [pid 9788] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:22:38.876702 2024] [proxy_fcgi:error] [pid 9788] [client 10.10.10.68:45304] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:23:40.880653 2024] [proxy:error] [pid 9789] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:23:40.880711 2024] [proxy_fcgi:error] [pid 9789] [client 10.10.10.68:54880] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:23:40.885409 2024] [proxy:error] [pid 9790] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:23:40.885427 2024] [proxy_fcgi:error] [pid 9790] [client 10.10.10.68:54894] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:23:40.893968 2024] [proxy:error] [pid 9786] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:23:40.893981 2024] [proxy_fcgi:error] [pid 9786] [client 10.10.10.68:54906] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:24:42.878611 2024] [proxy:error] [pid 9787] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:24:42.878638 2024] [proxy_fcgi:error] [pid 9787] [client 10.10.10.68:60508] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:25:44.877250 2024] [proxy:error] [pid 9788] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:25:44.877272 2024] [proxy_fcgi:error] [pid 9788] [client 10.10.10.68:56620] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:26:46.876771 2024] [proxy:error] [pid 9789] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:26:46.876792 2024] [proxy_fcgi:error] [pid 9789] [client 10.10.10.68:46648] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:27:48.884374 2024] [proxy:error] [pid 9790] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:27:48.884398 2024] [proxy_fcgi:error] [pid 9790] [client 10.10.10.68:50504] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:28:55.885112 2024] [proxy:error] [pid 9786] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:28:55.885140 2024] [proxy_fcgi:error] [pid 9786] [client 10.10.10.68:55364] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:29:52.878293 2024] [proxy:error] [pid 9787] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:29:52.878320 2024] [proxy_fcgi:error] [pid 9787] [client 10.10.10.68:44276] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:30:54.874750 2024] [proxy:error] [pid 9788] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:30:54.874790 2024] [proxy_fcgi:error] [pid 9788] [client 10.10.10.68:55686] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:31:56.880398 2024] [proxy:error] [pid 9789] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:31:56.880422 2024] [proxy_fcgi:error] [pid 9789] [client 10.10.10.68:36908] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:32:58.875887 2024] [proxy:error] [pid 9790] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:32:58.875914 2024] [proxy_fcgi:error] [pid 9790] [client 10.10.10.68:53984] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:32:58.877250 2024] [proxy:error] [pid 9786] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:32:58.877262 2024] [proxy_fcgi:error] [pid 9786] [client 10.10.10.68:53968] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:32:58.885543 2024] [proxy:error] [pid 9787] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:32:58.885556 2024] [proxy_fcgi:error] [pid 9787] [client 10.10.10.68:53998] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:32:59.754590 2024] [proxy:error] [pid 9788] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:32:59.754613 2024] [proxy_fcgi:error] [pid 9788] [client 10.100.10.69:52219] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:33:39.934016 2024] [proxy:error] [pid 9789] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:33:39.934046 2024] [proxy_fcgi:error] [pid 9789] [client 10.100.10.69:60600] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:34:00.877554 2024] [proxy:error] [pid 9790] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:34:00.877582 2024] [proxy_fcgi:error] [pid 9790] [client 10.10.10.68:42236] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:35:02.875993 2024] [proxy:error] [pid 9786] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:35:02.876021 2024] [proxy_fcgi:error] [pid 9786] [client 10.10.10.68:55822] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:35:31.320912 2024] [proxy:error] [pid 9787] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:35:31.320939 2024] [proxy_fcgi:error] [pid 9787] [client 10.100.10.69:60612] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:36:04.876408 2024] [proxy:error] [pid 9788] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:36:04.876432 2024] [proxy_fcgi:error] [pid 9788] [client 10.10.10.68:47640] AH01079: failed to make connection to backend: httpd-UDS
[Sun May 19 18:37:06.874176 2024] [proxy:error] [pid 9789] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /run/php/php7.4-fpm.sock (*:80) failed
[Sun May 19 18:37:06.874205 2024] [proxy_fcgi:error] [pid 9789] [client 10.10.10.68:46032] AH01079: failed to make connection to backend: httpd-UDS

PASTE HERE


Output errors in nextcloud.log in /var/www/ or as admin user in top right menu, filtering for errors. Use a pastebin service if necessary.

PASTE HERE

The full nextcloud.log is enormous (50+mb) for some reason and contains a lot of references to my domain name so I’ll not post it at the minute unless someone thinks it would be useful, but it seems to me the issue is related to the php modules but I’m at a loss over how to go back to php7.4 to allow me to upgrade Nextcloud so any assistance would be welcome.

Install the → php-updater script ← . That will give you full control over php. It gives you the means to install all supported php versions (8.3 8.2 8.1 8.0 7.4 7.3 7.2 7.1 7.0 5.6) on your new server and switch between them…


Much and good luck,
ernolf

Thank you!

Still had to mess around a little to get the updates on track but I’ve already gone through 26 to 27, currently upgrading to 28 while on php8.2, great tool.

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