Message SAP WRF_PPW792 - Org. set &1 is assigned to different distribution chain &2

Diagnosis
You want to insert organization set '&V1&' with a distribution chainassignment '&V2&' into a price plan with the distribution chainassignment '&V3&'. This is not permitted.

System Response
The action is cancelled.

Procedure
Only add organization sets with the distribution chain '&V3&'.