ValueError: Reference at 'refs/heads/master' does not exist

[lizixiaoboluo]

how to slove this problem？

[thequilo]

This looks like a git error. Can you provide any more information to pinpoint the issue?

[lich14]

have you solved this bug?

[farlit]

I've had the same problem.

[farlit]

pip install sacred==0.7.5
Just reduce the version of the python library, all will be ok.