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)
when i tried to test it with another device( Galaxy Tab 7')
its generating error.
handleRegistration: registrationId = null, error = INVALID_SENDER, unregistered = null
here is the Log which i am getting
V/GCMRegistrar(5649): Registering app my_maypackage of senders APA91bHvzZbO_nyYvaA_QRGDaV-wRAYKjt0qJSQmzPUi2unqG7j0OGuyhVY1A3zh-ZfnA0XT0ffgyKypVJ_5owLZvZBNGARpTBkBg9ED8gVVCDejaIpShghq_tXGhMnFQEufwdCL1ibm
V/GCMRegistrar(5649): Setting registeredOnServer status as true until 2013-04-02 11:02:07.847
V/GCMBroadcastReceiver(5649): onReceive: com.google.android.c2dm.intent.REGISTRATION
V/GCMBroadcastReceiver(5649): GCM IntentService class: my_maypackage.GCMIntentService
V/GCMBaseIntentService(5649): Acquiring wakelock
V/GCMBaseIntentService(5649): Intent service name: GCMIntentService-980172650021-7
D/GCMBaseIntentService(5649): handleRegistration: registrationId = null, error = INVALID_SENDER, unregistered = null
D/GCMBaseIntentService(5649): Registration error: INVALID_SENDER
I/GCMIntentService(5649): Received error: INVALID_SENDER
V/GCMBaseIntentService(5649): Releasing wakelock
Note: both devices are configured with same gmail account.