System.ApplicationException: msSetErrorFile(): General error message. Failed to open MS_ERRORFILE C:/Users/bergw/_projekte/ITS/GIP-Communicator-2021/GIP GC 2.0/Server/GIP-Communicator-Server/App_Data/ms_error.txt
   at OSGeo.MapServer.mapObj..ctor(String filename)
   at UmnMapServer.Umn.loadMap(String mapFileName) in C:\Users\bergw\_projekte\ITS\GIP-Communicator-2021\GIP GC 2.0\Server\UmnMapServer\Umn.cs:line 232
System.ApplicationException: msSetErrorFile(): General error message. Failed to open MS_ERRORFILE C:/Users/bergw/_projekte/ITS/GIP-Communicator-2021/GIP GC 2.0/Server/GIP-Communicator-Server/App_Data/ms_error.txt
   at OSGeo.MapServer.mapObj..ctor(String filename)
   at UmnMapServer.Umn.loadMap(String mapFileName) in C:\Users\bergw\_projekte\ITS\GIP-Communicator-2021\GIP GC 2.0\Server\UmnMapServer\Umn.cs:line 232
System.ApplicationException: msSetErrorFile(): General error message. Failed to open MS_ERRORFILE C:/Users/bergw/_projekte/ITS/GIP-Communicator-2021/GIP GC 2.0/Server/GIP-Communicator-Server/App_Data/ms_error.txt
   at OSGeo.MapServer.mapObj..ctor(String filename)
   at UmnMapServer.Umn.loadMap(String mapFileName) in C:\Users\bergw\_projekte\ITS\GIP-Communicator-2021\GIP GC 2.0\Server\UmnMapServer\Umn.cs:line 232