SAP Message WS852 - No sales/tax posting for posting partner without condition posting

Diagnosis
If, in the agency document posting partner / settlement partner eithervendor or customer is set, no sales values or taxes can be posted if theindicator Only Include Condition Data is set inCustomizing of Payment Type.
The indicator Post Taxes cannot be set and the field
Post Sales Values must be set to blank = "No SalesPosting".