Hi,
if I had to guess, then I'd say that we have a problem with different languages in the initialization wizard. Am I right that you do neither use English nor German as your default language in the browser?
Looks like you found a bug here. We will fix this. In the meantime, you can set your default language in the browser to English for the setup process. You can change this back to you prefered language directly afterwards when SCM-Manager is up and running. We apologise for this inconvenience!
Regards
René