SAP Message BK055 - No primary costs are allowed for revenue repostings

Diagnosis
Cost element &V1& is a primary cost element. Primary cost elements area particular type of cost element which are transferred in a separatetransaction. These cost elements cannot be used to transfer revenues.

System Response
Processing is terminated.

Procedure
Do not transfer primary cost element &V1&.
Post primary cost element &V1& Actual postings -> Transfer costs ->Enter.
Enter a valid revenue element.