Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-16T11:29:54","request-id":"0fb76e7f-52aa-4d06-b1b7-e6660a665c65","client-request-id":"0fb76e7f-52aa-4d06-b1b7-e6660a665c65"}}}"