SAP Message WRF_PPW601 - Processing is not possible as no budget type was found

Diagnosis
This program corrects promotion budgets in the Price Planning Workbench.Which budget tables are to be used depends on the budget type entered.
The program could not find a budget type, however.

System Response
Without the entry of a correct budget type, the program cannot determinethe promotion budget tables in the Price Planning Workbench to becorrected.
The system has cancelled processing.