SAP Note 28035 - No costing with optional external processing

Symptom:

If internal activities are to be confirmed for an order (PP/MM/PS) and the control key in the operation is set to "External processing possible" (external processing in control key = X), no actual posting occurs and message CK060 ("No valuation for the costing object") is issued.
No costs are determined in the standard cost estimate for the order.

Cause and prerequisites

Program error. Corrected in 3.0B, 2.2G and 2.1M. Preliminary correction is possible.

Solution
Repair in the function module CK_F_AFRU_AMOUNT_CALC. Deactivate the lines marked with <<Additional key words

Costs, planned costs, actual costs IW41 IW32 IW31 IW33 IW34 CO01 CO02 CO03 CO11 CN21 CN22 CN23 CN25