Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-12T02:57:56","request-id":"fb4afad5-0b15-4c3d-87ac-d26c4c8e7172","client-request-id":"fb4afad5-0b15-4c3d-87ac-d26c4c8e7172"}}}"