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In order to help you as quickly as possible, before clicking Create Topic please provide as much of the below as you can. Feel free to use a pastebin service for logs, otherwise either indent short log examples with four spaces:
example
Or for longer, use three backticks above and below the code snippet:
longer
example
here
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 
Nextcloud version (eg, 20.0.5): 21.0.4
Operating system and version (eg, Ubuntu 20.04): Ubuntu 20.04.3)
Apache or nginx version (eg, Apache 2.4.25): nginx/1.20.1
PHP version (eg, 7.4): 8.0
The issue you are facing: I have directories with images I do not want to show up in the gallery. These include personal directories but also directories created by NextCloud Cookbook. In my directories, I have .noimage, .noimages, and .nomedia. In the NextCloud Cookbook folders, they just use .nomedia.
I first noticed this on 21.0.3 but I do not know how long this has been occurring. Upgrading to 21.0.4 did not fix. I also apparently had not been running cron jobs for a month. Fixing that problem did not help either. I did rescan the files with occ as well. This did not fix the problem either.
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
- Have directories with images and .nomedia files
- Notice that the images still show up in Gallery.
The output of your Nextcloud log in Admin > Logging:
Error: Function libxml_disable_entity_loader() is deprecated at /srv/nextcloud/lib/private/Updater/VersionCheck.php#101
{"reqId":"BbSjIHTbhaiwwHfFy5JA","level":3,"time":"2021-08-22T12:33:27+00:00","remoteAddr":"74.97.53.238","user":"Sam","app":"PHP","method":"GET","url":"/settings/admin/overview","message":{"Exception":"Error","Message":"Function libxml_disable_entity_loader() is deprecated at /srv/nextcloud/lib/private/Updater/VersionCheck.php#101","Code":0,"Trace":
[{"file":"/srv/nextcloud/lib/private/Updater/VersionCheck.php","line":101,"function":"onError","class":"OC\\Log\\ErrorHandler","type":"::"},
{"file":"/srv/nextcloud/apps/updatenotification/lib/UpdateChecker.php","line":53,"function":"check","class":"OC\\Updater\\VersionCheck","type":"->"},
{"file":"/srv/nextcloud/apps/updatenotification/lib/Settings/Admin.php","line":90,"function":"getUpdateState","class":"OCA\\UpdateNotification\\UpdateChecker","type":"->"},
{"file":"/srv/nextcloud/apps/settings/lib/Controller/CommonSettingsTrait.php","line":138,"function":"getForm","class":"OCA\\UpdateNotification\\Settings\\Admin","type":"->"},
{"file":"/srv/nextcloud/apps/settings/lib/Controller/AdminSettingsController.php","line":83,"function":"formatSettings","class":"OCA\\Settings\\Controller\\AdminSettingsController","type":"->"},
{"file":"/srv/nextcloud/apps/settings/lib/Controller/CommonSettingsTrait.php","line":149,"function":"getSettings","class":"OCA\\Settings\\Controller\\AdminSettingsController","type":"->"},
{"file":"/srv/nextcloud/apps/settings/lib/Controller/AdminSettingsController.php","line":68,"function":"getIndexResponse","class":"OCA\\Settings\\Controller\\AdminSettingsController","type":"->"},
{"file":"/srv/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":218,"function":"index","class":"OCA\\Settings\\Controller\\AdminSettingsController","type":"->"},
{"file":"/srv/nextcloud/lib/private/AppFramework/Http/Dispatcher.php","line":127,"function":"executeController","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},
{"file":"/srv/nextcloud/lib/private/AppFramework/App.php","line":157,"function":"dispatch","class":"OC\\AppFramework\\Http\\Dispatcher","type":"->"},
{"file":"/srv/nextcloud/lib/private/Route/Router.php","line":302,"function":"main","class":"OC\\AppFramework\\App","type":"::"},
{"file":"/srv/nextcloud/lib/base.php","line":993,"function":"match","class":"OC\\Route\\Router","type":"->"},
{"file":"/srv/nextcloud/index.php","line":37,"function":"handleRequest","class":"OC","type":"::"}],"File":"/srv/nextcloud/lib/private/Log/ErrorHandler.php","Line":92,"CustomMessage":"--"},"userAgent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36","version":"21.0.3.1","id":"61229df59b400"}
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'instanceid' => '---',
'passwordsalt' => '---',
'secret' => '---',
'trusted_domains' =>
array (
0 => '---',
),
'datadirectory' => '---/nextcloud/data',
'dbtype' => 'mysql',
'default_phone_region' => 'US',
'version' => '21.0.4.1',
'overwrite.cli.url' => '---',
'dbname' => '---,
'dbhost' => '---:3306',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => '---',
'dbpassword' => '---',
'installed' => true,
'maintenance' => false,
'theme' => '',
'loglevel' => 2,
'memcache.local' => '\\OC\\Memcache\\APCu',
'mail_smtpmode' => 'smtp',
'mail_smtpsecure' => 'ssl',
'mail_sendmailmode' => 'smtp',
'mail_from_address' => 'nextcloud',
'mail_domain' => '---',
'mail_smtphost' => '---',
'mail_smtpport' => '993',
'app_install_overwrite' =>
array (
0 => 'twofactor_rcdevsopenotp',
),
'updater.release.channel' => 'stable',
'updater.secret' => '---',
);
The output of your Apache/nginx/system log in /var/log/____:
nothing