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Sorry to hear you’re facing problems 
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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
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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 
Nextcloud version (eg, 20.0.5): 24.0
Operating system and version (eg, Ubuntu 20.04): Raspbian GNU/Linux 10 (buster)
Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.38 (Raspbian)
PHP version (eg, 7.4): PHP 8.1.5 (cli) (built: Apr 22 2022 04:54:30) (NTS)
The issue you are facing: After Updating NC to Version 23 (and updating to PHP 8.0/8.1) the Apps can’t get updatet. I have already deactivated some apps, then everything is ok. But this can’t be the right way. For last TOTP-App failed, this app is needed for logging in at my site :() Thank you for your help.
Is this the first time you’ve seen this error? (Y/N):N
Steps to replicate it:
- Update Nextcloud (occ upgrade -v)
- Then: Fails:
Nextcloud or one of the apps require upgrade - only a limited number of commands are available
You may use your browser or the occ upgrade command to do the upgrade
2022-05-13T22:37:12+00:00 Setting log level to debug
2022-05-13T22:37:12+00:00 Repair step: Repair MySQL collation
2022-05-13T22:37:12+00:00 Repair info: Not a mysql database -> nothing to do
2022-05-13T22:37:12+00:00 Repair step: Repair SQLite autoincrement
2022-05-13T22:37:14+00:00 Repair step: Copy data from accounts table when migrating from ownCloud
2022-05-13T22:37:14+00:00 Repair step: Drop account terms table when migrating from ownCloud
2022-05-13T22:37:14+00:00 Updating database schema
2022-05-13T22:37:14+00:00 Updated database
2022-05-13T22:37:15+00:00 Updating <lookup_server_connector> ...
An unhandled exception has been thrown:
TypeError: in_array(): Argument #2 ($haystack) must be of type array, string given in /opt/nextcloud-new/nextcloud/lib/private/legacy/OC_App.php:1010
Stack trace:
#0 /opt/nextcloud-new/nextcloud/lib/private/legacy/OC_App.php(1010): in_array()
#1 /opt/nextcloud-new/nextcloud/lib/private/Updater.php(353): OC_App::updateApp()
#2 /opt/nextcloud-new/nextcloud/lib/private/Updater.php(265): OC\Updater->doAppUpgrade()
#3 /opt/nextcloud-new/nextcloud/lib/private/Updater.php(133): OC\Updater->doUpgrade()
#4 /opt/nextcloud-new/nextcloud/core/Command/Upgrade.php(235): OC\Updater->upgrade()
#5 /opt/nextcloud-new/nextcloud/3rdparty/symfony/console/Command/Command.php(255): OC\Core\Command\Upgrade->execute()
#6 /opt/nextcloud-new/nextcloud/3rdparty/symfony/console/Application.php(1009): Symfony\Component\Console\Command\Command->run()
#7 /opt/nextcloud-new/nextcloud/3rdparty/symfony/console/Application.php(273): Symfony\Component\Console\Application->doRunCommand()
#8 /opt/nextcloud-new/nextcloud/3rdparty/symfony/console/Application.php(149): Symfony\Component\Console\Application->doRun()
#9 /opt/nextcloud-new/nextcloud/lib/private/Console/Application.php(211): Symfony\Component\Console\Application->run()
#10 /opt/nextcloud-new/nextcloud/console.php(99): OC\Console\Application->run()
#11 /opt/nextcloud-new/nextcloud/occ(11): require_once('...')
- This happs with many apps. I already deactivated some, but with time, the error occurs agian
The output of your Nextcloud log in Admin > Logging:
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:54+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::setDebugLogLevel: Set log level to debug","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":0,"time":"2022-05-13T22:42:54+00:00","remoteAddr":"","user":"--","app":"core","method":"","url":"--","message":"starting upgrade from 23.0.4.1 to 24.0.0.12","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:54+00:00","remoteAddr":"","user":"--","app":"no app in context","method":"","url":"--","message":"Deprecated event type for \\OC\\Repair::step: Symfony\\Component\\EventDispatcher\\GenericEvent is used","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:54+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Repair::step: Repair step: Repair MySQL collation","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:54+00:00","remoteAddr":"","user":"--","app":"no app in context","method":"","url":"--","message":"Deprecated event type for \\OC\\Repair::info: Symfony\\Component\\EventDispatcher\\GenericEvent is used","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:54+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Repair::info: Repair info: Not a mysql database -> nothing to do","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:54+00:00","remoteAddr":"","user":"--","app":"no app in context","method":"","url":"--","message":"Deprecated event type for \\OC\\Repair::step: Symfony\\Component\\EventDispatcher\\GenericEvent is used","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:54+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Repair::step: Repair step: Repair SQLite autoincrement","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:56+00:00","remoteAddr":"","user":"--","app":"no app in context","method":"","url":"--","message":"Deprecated event type for \\OC\\Repair::step: Symfony\\Component\\EventDispatcher\\GenericEvent is used","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:56+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Repair::step: Repair step: Copy data from accounts table when migrating from ownCloud","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:56+00:00","remoteAddr":"","user":"--","app":"no app in context","method":"","url":"--","message":"Deprecated event type for \\OC\\Repair::step: Symfony\\Component\\EventDispatcher\\GenericEvent is used","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:56+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Repair::step: Repair step: Drop account terms table when migrating from ownCloud","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:56+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::dbUpgradeBefore: Updating database schema","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:56+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::dbUpgrade: Updated database","userAgent":"--","version":"23.0.4.1"}
{"reqId":"ymwNG6sSeQZi9WPSnk7a","level":1,"time":"2022-05-13T22:42:56+00:00","remoteAddr":"","user":"--","app":"updater","method":"","url":"--","message":"\\OC\\Updater::appUpgradeStarted: Updating <lookup_server_connector> ...","userAgent":"--","version":"23.0.4.1"}
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
<?php
$CONFIG = array (
'instanceid' => '$ID',
'passwordsalt' => '$SALT',
'secret' => '$SECRET',
'trusted_domains' =>
array (
0 => '$DOMAIN',
1 => '$DOMAIN',
2 => '$DOMAIN',
3 => '$DOMAIN',
),
'datadirectory' => '/opt/nextcloud/nextcloud/data',
'overwrite.cli.url' => 'http://$DOMAIN/nextcloud',
'dbtype' => 'sqlite3',
'version' => '23.0.4.1',
'installed' => true,
'maintenance' => true,
'theme' => '',
'loglevel' => 0,
'updater.release.channel' => 'stable',
'app_install_overwrite' => '',
0 =>
array (
),
'updater.secret' => '$SECRET',
);
The output of your Apache/nginx/system log in /var/log/____:
127.0.0.1 - - [14/May/2022:00:43:45 +0200] "GET /server-status?auto HTTP/1.1" 200 2247 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:46 +0200] "GET /server-status?auto HTTP/1.1" 200 2247 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:47 +0200] "GET /server-status?auto HTTP/1.1" 200 2247 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:48 +0200] "GET /server-status?auto HTTP/1.1" 200 2212 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:49 +0200] "GET /server-status?auto HTTP/1.1" 200 2274 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:50 +0200] "GET /server-status?auto HTTP/1.1" 200 2248 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:51 +0200] "GET /server-status?auto HTTP/1.1" 200 2246 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:52 +0200] "GET /server-status?auto HTTP/1.1" 200 2246 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:53 +0200] "GET /server-status?auto HTTP/1.1" 200 2247 "-" "-"
127.0.0.1 - - [14/May/2022:00:43:54 +0200] "GET /server-status?auto HTTP/1.1" 200 2247 "-" "-"
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