52108: GCM/FCM device message rate exceededERROR: 52108error-52108 page anchorNOTIFICATIONSERROR Error - 52108error---52108 page anchor GCM/FCM device message rate exceededgcmfcm-device-message-rate-exceeded page anchor Possible Causespossible-causes page anchor The rate of messages to a particular device via GCM/FCM is too high. Possible Solutionspossible-solutions page anchor Reduce the number of messages sent to this device and do not immediately retry sending to this device.