52131: RtdNotifications: Invalid APNs credentialsERROR: 52131error-52131 page anchorERROR Error - 52131error---52131 page anchor RtdNotifications: Invalid APNs credentialsrtdnotifications-invalid-apns-credentials page anchor Possible Causespossible-causes page anchor Credentials are not configured or configuration is invalid. Possible Solutionspossible-solutions page anchor Make sure credentials are set correct.