Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-28T01:54:22","request-id":"99f144a9-9084-4ecf-bf74-875b5d356ec2","client-request-id":"99f144a9-9084-4ecf-bf74-875b5d356ec2"}}}"