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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
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): 23.0.2
Operating system and version (eg, Ubuntu 20.04): Arch Linux
Apache or nginx version (eg, Apache 2.4.25): nginx 1.20.2-1
PHP version (eg, 7.4): 8.1.3-1
The issue you are facing:
Nextcloud stops responding for a few seconds every few seconds. So when I go to click on a menu item on the sidebar it will suddenly stop responding to any mouse movement or mouse clicks or any other events. If the mouse pointer was a hand it will remain a hand for the few seconds it’s frozen and then when nextcloud unfreezes the pointer will turn into a mouse pointer again if im no longer on a menu item.
I’ve noticed this a lot in the logs:
PHP security error: /var/lib/nextcloud/apps/richdocumentscode/proxy.php is not under the default docroot
I basically set it up according to this wiki: https://wiki.archlinux.org/title/Nextcloud
using uwsqi and postgres
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
- Open nextcloud on any device
The output of your Nextcloud log in Admin > Logging:
[PHP] Error: foreach() argument must be of type array|object, bool given at /usr/share/webapps/nextcloud/apps/serverinfo/lib/OperatingSystems/DefaultOs.php#152
GET /settings/admin/serverinfo
from 192.168.50.1 by admin at 2022-03-05T16:22:18+00:00
[index] Error: SplFileInfo::isDir(): open_basedir restriction in effect. File(/var/lib/nextcloud/apps/..) is not within the allowed path(s): (/var/lib/nextcloud/data:/var/lib/nextcloud/apps:/tmp:/usr/share/webapps/nextcloud:/etc/webapps/nextcloud:/dev/urandom:/usr/lib/php/modules:/var/log/nextcloud:/proc/meminfo)
GET /settings/ajax/checksetup
from 192.168.50.1 by admin at 2022-03-05T16:15:43+00:00
NOTE: Since seeing this error I commented out the open_basedir line in php.ini and /etc/uwsgi/nextcloud.ini
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
$CONFIG = array (
'trusted_domains' =>
array (
0 => 'localhost',
1 => 'cloud.atavismxi.com',
),
'overwrite.cli.url' => 'https://cloud.atavismxi.com/',
'htaccess.RewriteBase' => '/',
'memcache.local' => '\OC\Memcache\APCu',
'datadirectory' => '/var/lib/nextcloud/data',
'logfile' => '/var/log/nextcloud/nextcloud.log',
'apps_paths' =>
array (
0 =>
array (
'path' => '/usr/share/webapps/nextcloud/apps',
'url' => '/apps',
'writable' => false,
),
1 =>
array (
'path' => '/var/lib/nextcloud/apps',
'url' => '/wapps',
'writable' => true,
),
),
'passwordsalt' => 'xP+Ibs63/TNfU11Xkc23GlxtXHc3T5',
'secret' => 'LQIuMeSZlclHxefaBWrli7jO0lhjA/WH+lO22G85DyziKkTY',
'dbtype' => 'pgsql',
'version' => '23.0.2.1',
'dbname' => 'nextcloud',
'dbhost' => '/run/postgresql',
'dbport' => '',
'dbtableprefix' => 'oc_',
'dbuser' => 'nextcloud',
'dbpassword' => '1234',
'installed' => true,
'instanceid' => 'ocsatj3726cy',
'maintenance' => false,
);
The output of your Apache/nginx/system log in /var/log/____:
File is way too big