Pressing "Generate" reset my form

[mfortini]

Subject of the issue

I filled the form to the best of my knowledge, then I pressed "Generate" and got a long list of errors. The form was reset.

Steps to reproduce

I filled the form, the only particular thing is that I was using the URL of a private github repo

Expected behaviour

I expected errors, but the data still there

Actual behaviour

The form was reset to an empty one