SAP Message REBDOA005 - Objects of type &1 not allowed to be assigned to &2

Diagnosis According to your Customizing settings, you are not allowed toassign objects of object type &V1& to objects of object type &V2&. Procedure Check if you really need to make this assignment. For you to be able tomake this assignment, your system administrator needs to changeCustomizing settings. Keep in mind thatfor contracts, this setting is dependent on the contract type.