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

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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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Hi Experts

It has been observed that system is considering from lot size as zero '0' during standard cost estimation but in our Rate routing from lot size defaulted as 1 by us for some of the products, hence for few materials standard cost estimation is carried out without any issue since those rate routing lot sizes are started from zero '0'.

Corrective action: we made 'from lot sizes' zero '0' in rate routing for all manufacturing products, there on wards, system is considering all the operations and activities from rate routing during standard cost estimation, thus helped resolve the issue. We can close this thread.

Thanks to all for your patience and the support