52105: RtdNotification: Invalid GCM package nameERROR: 52105error-52105 page anchorERROR Error - 52105error---52105 page anchor RtdNotification: Invalid GCM package namertdnotification-invalid-gcm-package-name page anchor Possible Causespossible-causes page anchor Application configuration problem. Possible Solutionspossible-solutions page anchor Make sure the message was addressed to a registration token whose package name matches the value passed in the request.