Docker shell error EDITION: unbound variable

Configuration/Setup
1

When I run the docker image with detach, it immediately terminates. Without detach we can see the error. Any ideas?

$ docker run -p 80:80 bluespice/bluespice-free

#############################################
Init data directory
/app/bin/init-datadirectory: line 21: EDITION: unbound variable
sh: 0: -c requires an argument

System info:

  • OS: nixOS unstable
  • BlueSpice version: whatever is in the docker, not sure