When performing the setup for Concur integration in ByD, you notice that in the activity "User Registrations for OAUTH2 Web Services" the following entries are missing:
SAP Business ByDesign.
As of release 2022, there were changes made in the OAuth authentication for Concur integration.
This is the expected system behavior. You can check more details on how to configure the authentication in the updated Integration Guide:
Replication, EC, Concur , KBA , AP-INT-EE-OUT , ByD Integration Employee Data Outbound , How To