Support intro
Sorry to hear you’re facing problems 
help.nextcloud.com is for home/non-enterprise users. If you’re running a business, paid support can be accessed via portal.nextcloud.com where we can ensure your business keeps running smoothly.
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, 29.0.5): 30.0.2 rc1
Operating system and version (eg, Ubuntu 24.04): mint 21.2
Apache or nginx version (eg, Apache 2.4.25): 2.4.62
PHP version (eg, 8.3): 8,2
The issue you are facing:
Going to the apps page results in an error listed with a red bar: “An error occurred during the request. Unable to proceed.”
App items don’t populate properly.
Is this the first time you’ve seen this error? (Y/N):
yes
Steps to replicate it:
- Update to RC1
- Go to Apps
The output of your Nextcloud log in Admin > Logging:
[index] Error: OCA\Settings\Controller\AppSettingsController::createProxyPreviewUrl(): Argument #1 ($url) must be of type string, array given, called in /var/www/nextcloud/apps/settings/lib/Controller/AppSettingsController.php on line 259 in file '/var/www/nextcloud/apps/settings/lib/Controller/AppSettingsController.php' line 245
GET /index.php/settings/apps/list
from <ipaddr> by <username> at Oct 31, 2024, 4:34:41 PM
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
not done yet
The output of your Apache/nginx/system log in /var/log/____:
not done yet
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.
not done yet