If I acctivate richdocuments app the webserver emediately change to error 503 or error 500 #2727

Describe the bug
I have a PHP only webspace, a friend of mine give me acces to his colabora instance. I simply activated richdocuments in the appstore. and after that Nextcloud shows me only error 500 or 503 webpgage. Sometimes it try to load the page arount 10 minutes and then shows error 503

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Apps'
2. Click on 'activate Nextcloud Office'
3. See error

Expected behavior
Nextcloud still works

Screenshots

Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.

Client details:

• OS: Server OS unknown
• Browser firefox
• Version 24
• Device: desktop

Server details

Web server: Appach with NGINX

Database: MySQL

PHP version: 8.1

Nextcloud version: 24.0.8

Version of the richdocuments app 6.3.2

Version of Collabora Online Not configured until now