Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-07-10T16:22:49","request-id":"b40db713-8c2a-4b42-a14b-1d041c999890","client-request-id":"b40db713-8c2a-4b42-a14b-1d041c999890"}}}"