SAP Message CACSELT063 - Receiving contract &1 is included in more than one set for &2

Diagnosis
A contract may only be included in one set for &v2&. However, contractV1 is included in more than one set.

System Response
The parameters for entitlement transfer are inconsistent. No transfercan be made.

Procedure
Check the sets of the worklist and make sure that the contract is onlyincluded in one set for the &v2&.