I see you have opened a public issue for this [1] and you have been answered the following:
Please try disabling managed security from the custom domains page, then enable it again and follow the steps to set it up [2]. That will create a new certificate for your application and validate it. [1] https://console.cloud.google.com/appengine/settings/ [2] https://cloud.google.com/appengine/docs/standard/python/securing-custom-domains-with-ssl Have you tried the steps suggested? If you believe this issue is on the Google side, I suggest following up on the Issue Tracker thread. [1] https://issuetracker.google.com/142795338 -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/83f2aec9-f109-4524-9c0d-f34298bf1f9a%40googlegroups.com.
