SAP Message SAML2020 - The user account of IDP [&1] is not yet federated in system &2 (&3)

Diagnosis
The user account from the identity provider is not federated in thelocal system.

System Response
No federation found.

Procedure
Log on with a local user in the system and activate the option forfederation. At the next logon, this information is used to federate theidentity provider account directly with the local account.