Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-03T17:23:49","request-id":"9c183ca8-d16e-48ac-9103-edd6d9c8ddef","client-request-id":"9c183ca8-d16e-48ac-9103-edd6d9c8ddef"}}}"