Hi Kaan,
Thank you for bringing this issue to our attention however as Google Groups is more for general discussion about the products I would recommend to report a bug with Issue tracker. Here <https://issuetracker.google.com/issues/new?component=187191&template=1162848> you can find a form for you to do this, On Wednesday, March 13, 2019 at 7:53:19 AM UTC-4, Kaan Soral wrote: > > Again, like most errors and issues these days, this issue was unobservable > from the Logs too > -- 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 google-appengine+unsubscr...@googlegroups.com. To post to this group, send email to google-appengine@googlegroups.com. 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/4a11648c-3959-42e5-b3b4-3bf1e4e854fb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.