You execute Actual Cost Rate Calculation and get error KP250 "Cost center xxxx activity type xxxx: costs exist although activity 0".
SAP S/4HANA Cloud
Reproducing the Issue
Execute actual cost rate calculation.
It could happen according to the description of the error, which means the activity has no quantity but costs exist in the cost center.
If you accept this error, you could use App "Schedule Overhead Accounting Jobs" to create new job template Actual Cost Rate Calculation. Input necessary parameters and in the Parameter section, tick on the flag "Post Anyway". Then the error will be ignored and the calculation result will posted anyway.
cost rate, error, KP250, KP 250, zero activity, schedule, job, template, post anyway, KSII. , KBA , CO-OM-ACT , Activity Types , Problem