Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-06-24T02:59:24","request-id":"14133a00-4395-4aa1-a911-ac1c4712664e","client-request-id":"14133a00-4395-4aa1-a911-ac1c4712664e"}}}"