I'm seeing a lot of these recently as well. I assume we're all on m/s datastore and that's where the problem lies.
Come on Google, give us a least a hint that you know there's a problem. What happened to those better hr migration tools we were promised? -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/2tCLouCKNpkJ. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.