Linux arm based nanopim4v2 instalation web error on port 8080 "Internal Server Error"

I`m running nextcloud on docker (openmediavault5+nanopim4V2).
It was woorking fine now I get error when accessing ip:8080 adress.
Error is:
Internal Server Error

The server encountered an internal error and was unable to complete your request.
Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.
More details can be found in the server log.

When I o to portainer and check nextcloud container log, there is only this inside:

AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 172.17.0.5. Set the ‘ServerName’ directive globally to suppress this message

AH00558: apache2: Could not reliably determine the server’s fully qualified domain name, using 172.17.0.5. Set the ‘ServerName’ directive globally to suppress this message

[Mon Jun 01 21:41:55.835139 2020] [mpm_prefork:notice] [pid 1] AH00163: Apache/2.4.38 (Debian) PHP/7.3.18 configured – resuming normal operations

[Mon Jun 01 21:41:55.835408 2020] [core:notice] [pid 1] AH00094: Command line: ‘apache2 -D FOREGROUND’

Dont know what to check now.
Tried to upgrade it, it is latest version, container for maria-db and nextclou are working…