52131: Invalid APNs credentialsPositive FeedbackNegative FeedbackERROR: 52131error-52131 page anchorPositive FeedbackNegative FeedbackNOTIFICATIONSERROR Invalid APNs credentialsinvalid-apns-credentials page anchorPositive FeedbackNegative Feedback Possible Causespossible-causes page anchorPositive FeedbackNegative Feedback Credential (certificate and private key) is invalid. Certificate expired. Possible Solutionspossible-solutions page anchorPositive FeedbackNegative Feedback Make sure you have valid certificate and private key provided in your Credential.