I have been updated my server to latest update after that Open-Xchange Server Login (App Suite) does not work and show this error
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at email@example.com 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.
Apache/2.4.10 (Univention) Server at email.domain.lan Port 80
Is there any idea how to solve it?