the game did not start

Put the summary of the bug you're having here

What I expected to happen was...: that the game would start
Describe what you thought should happen here

What actually happened was...: it didn't and showed a list with all kind of information about the reason it did not start. But I did not understand it.
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...