SAP Message ACC_BUSDOM018 - Assignment of RFC destination cannot be changed

Diagnosis
You have changed the assignment of the RFC destination for logicalsystem identifier &V1& and assigned RFC destination &V2&.
However, this is not permitted for the logical system identifier.A check run on the data bases created with a reference to the logicalsystem identifier (via the business domain) dictates that no changes
may be made to the RFC destination.

System Response
Activation is terminated.

Procedure
Reproduce the state prior to your changes. If required, create a newlogical system identifier and then assign RFC destination &V2& to it.