“Couldn't upload. Try again.” error on Google Play Console

Question

When I try to upload my Android App Bundle to the Google Play Console, I get this generic error message saying "Couldn\'t upload. Try again.".

I\'ve already tri

Answer 1

I could simply solve the problem by usinng Firefox instead of Chrome. Nothing else helped. With Chrome the problem remained even after applying all the suggestions above. Chrome 56, OS Ubuntu 16.04