52135: RtdNotification: Missing subject in APNs certificateERROR: 52135error-52135 page anchorERROR Error - 52135error---52135 page anchor RtdNotification: Missing subject in APNs certificatertdnotification-missing-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.