Diagnosis
An assignment of addition and deduction procedure is incorrect.

System Response
You cannot attach any of the percentage field (ZAP01 to ZAP05) to anaddition and deduction for which calculation rule is Value.

Procedure
Check the calculation rule assignment of the selected addition anddeduction procedure. You have selected calculation rule as Valueand trying to attach percentage field (ZAP01 to ZAP05).
Check Customizing : IMG -> Sales & Destruction -> Bill ofservice- > Cost Determination for Bill of Services -> Easy costplanning -> Define Additions and Deduction