Strange error in login page

i have recently installed nextcloud last version in ucs

attached screenshot 1

i entered / typed my domain

after that i entered my user and password and got an error.message:

Internal Server Error

The server was unable to complete your request.

If this happens again, please send the technical details below to the server administrator.

More details can be found in the server log.

Technical details

  • Remote Address: (my ip from isp)
  • Request ID: Vs5QJyvrpGH6Fs4fTV9W

attached screenshot 2

i have no idea how to solve it.

i can copy and paste commands like a robot ( i have no knowledge in programming) in putty program with my admin access.

can you help me?

since this could be an implementation error under ucs it may make more sense to post your question unter (they use the same forumsoftware as we do here).
and as far as i know the guys there are doing a great job.