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cj20n:Network does not have activity account assignment

Dear all.

In tcode cj20n,I select one network and click Activity Overview.In the Activity Overview,I select one line of activity and click the right mouse button and select the Report planned/actual menu.But the sap pop up an dialog box with message "Network does not have activity account assignment".And the content of the message like below.

But I could not fould the field to input the "activity account" in the network or other place.So I need the experts to tell me where to input the "activity account".

Thank you so much.




Network does not have activity account assignment

Message no. CN053


You cannot write any costs to the activity for this network.

You can only write costs to the network header for the network.

System Response

Processing stopped.


1. Check that you have maintained the proper key for the network. Make any changes necessary.

2. Delete the key for the activity.

Former Member
Former Member replied


check the costing variant and in turn the valuation variant used. Valuation varaint detemines the strategy for planning the cost of external activity.

T code OPL1


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