Thanks guys. It got solved after contacting GAE support team. It problem is with the newly rolled out AppEngine version.
On Thursday, March 3, 2016 at 9:00:48 AM UTC+5:30, Bharath Kumaar wrote: > > Hello all, our app "live-adaptivecourse" is returning 500 internal server > error almost 6 hours. No request is getting processed. Is app engine > elevated? > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/536dab9f-8543-4061-a67e-76cf1a445d25%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
