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REM backflusing: Control key 0001 is not defined (check entry) Message no. CO755.

former_member208199
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Operational activities are picked up during Cost calculation in product cost cost collector (KKF6N), but the same is not picked up during standard cost estimation(CK11N/CK40N), hence we are not able to do Back flush using MF42N transaction code, system also showing an error

Control key 0001 is not defined (check entry)

Message no. CO755.

We dont have '0001 control key used in Work center/ Rate routing, we used PP01 control key. Not sure where from this error coming. we referred many threads, still not able to clear this issue.

Please advice.

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former_member208199
Active Participant
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Hi Experts,

Still we are not able to find out the reason where from system is finding missing control key '0001'

Please advice us