App Engine Flexible: Timed out waiting for the app infrastructure to become healthy

Question

I\'m trying several times to deploy a new version of a service on my app engine flexible instance using the sdk and the command gcloud app deploy, but all i get

Answer 1

Over half a year later after Loneck's answer I've got the same error. I guessed it could be anything. This is why I've choosen to delete the project, create a new one in a new zone and deployed it there. Then it worked for me. It might have been any other limitation in the zone that I've choosen at the beginning.