SAP Message CBIH453 - Changing the key ( &1 &2 ) for the exposure profile entry not permitted

Diagnosis
You are attempting to change the contents of the key fields (agentcategory, agent ID) while changing an agent profile entry. This is notpossible.

System Response
Processing is canceled.

Procedure
Exit the dialog box and, if necessary, create a new agent profile entrywith the required keys.