52137: RtdNotification: Invalid size of subject in APNs certificateERROR: 52137error-52137 page anchorERROR Error - 52137error---52137 page anchor RtdNotification: Invalid size of subject in APNs certificatertdnotification-invalid-size-of-subject-in-apns-certificate page anchor Possible Causespossible-causes page anchor APN credentials is misconfigured. Possible Solutionspossible-solutions page anchor Make sure provided APN certificate is correct.