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, 20.0.5): 24.0.3
Operating system and version (eg, Ubuntu 20.04): Ubuntu Server 22.04 LTS
Apache or nginx version (eg, Apache 2.4.25): I don't know how to find this
PHP version (eg, 7.4): I don't know how to find this
The issue you are facing: Unable to open documents on mobile, website, and desktop but can open pictures and pdf
Is this the first time you’ve seen this error? (Y/N): Y
Steps to replicate it:
The output of your Nextcloud log in Admin > Logging:
I don't know how to get this
The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):
I don't know how to get this
The output of your Apache/nginx/system log in /var/log/____:
I don't know how to get this
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.
I don't know how to get this