Getting INVALID_SENDER on one device while its working with another GCM android

Question

I am following Android Push Notifications using Google Cloud Messaging (GCM) to implement GCM with my application it was working fine on single device (Galaxy S) wh

Answer 1

Log is showing incorrect sender ID. it should be taken from Google api project url. e.g

https://code.google.com/apis/console/b/0/#project:65464654646546

then 65464654646546 is sender ID.