google app engine service unavailable

Question

I\'m was following http://googcloudlabs.appspot.com/ tutorial to create new Google App Engine project. It throws me an error as per below when I try to run the from my local

Answer 1

It happened with me too. In my case, I had Run the project and due to some error in my code, the Project ran with errors. So, I debugged it and Run it again but without cancelling the earlier one in the console and it gave me that error. After cancelling or stopping the Project, it ran fine.