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Sorry to hear you’re facing problems 
Nextcloud version (eg, 20.0.5): 22.1.1
Operating system and version (eg, Ubuntu 20.04): CentOS 8/Rockylinux 8
Apache or nginx version (eg, Apache 2.4.25): Server version: Apache/2.4.37 (rocky)
PHP version (eg, 7.4): PHP 7.4.23
The issue you are facing:
The theme/layout of the 'files' TAB is weird, and I keep seeing this error:
The files you are trying to upload exceed the maximum size for file uploads on this server.
While it has been resolved already, also I am noticing these errors in the console of Nextcloud as well as in the Linux CLI:
1. Failed to compile and/or save /var/www/html/apps/files_sharing/css/icons.scss
2. SCSSCacher::cache unable to cache: icons.scss
3. Error: file_put_contents(/var/www/html/data/appdata_ocu3hv4iqlri/css/files_sharing/4fca-8500-icons.css): failed to open stream: No such file or directory at /var/www/html/lib/private/Files/Storage/Local.php#282
I think there is some kind of connection between these 3 errors, but I have no idea what this could be as there is not really an straight forward solution to this for CentOS/RedHat related systems (mostly Ubuntu).
Is this the first time you've seen this error? _(Y/N)_: Y