[BUG]12.0.3: creating a new file from "pages" app reports "Invalid parameter. (error 77)"

[PeterPablo]

Steps to reproduce

1. open "pages" app (I use for sketches)
2. navigate to some owncloud location
3. press "+" to create new page
4. select some template, e.g. "empty"
5. briefly wait
6. message popup "Invalid parameter. (error 77)" occurs
7. OK
8. cancel/back
9. observe that actually an empty document is created

Expected behavior

Document is created without prompt.

Actual behavior

Error popup

Client

iOS version: 16.6

ownCloud app version: 12.0.3

Device model: iPad 6th generation

Server configuration

Web server: apache Database: mysql PHP version: need to check ownCloud version: 10.x

Storage backend (external storage):

Logs

Web server error log

Insert your webserver log here