Try reducing the number of users you send to, split the work out to task queues or use backend module to send your messages.
On Friday, August 14, 2015 at 9:54:33 AM UTC-4, Edu App wrote: > > Hi Jairo, > > I am also facing this error while sending gcm message to more than 1000 > users. I searched a lot on google but dint find satisfactory answer. Did > you solved this problem or find any cause? Please reply soon... > -- 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 http://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/66264309-3d6b-413e-b706-037410deee9c%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
