Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-18T14:06:25","request-id":"a9979c55-5db8-4910-b977-68372db1898c","client-request-id":"a9979c55-5db8-4910-b977-68372db1898c"}}}"