Message SAP WV501 - Entry already exists for distribution chain &1 in client &2

Diagnosis
A pricing type is already maintained for distribution chain &V1& in
client &V2&.

System Response
No new entry was made.

Procedure
If required, check whether the existing pricing type entry is the rightone for the distribution chain. You can use the Data Dictionary to dothis, or you can branch to the IMG and maintain table TWKAO there.