Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-13T17:58:15","request-id":"4a26c088-e20f-439e-a5ee-c981f0587f39","client-request-id":"4a26c088-e20f-439e-a5ee-c981f0587f39"}}}"