3672534 - Error "Assign source G/L account xxx for Event-Based WIP posting" for WIP Source Type 'N - Costs Not to Be Included' - SAP S/4HANA Cloud Public Edition

• Error message: "Assign source G/L account xxx for event-based WIP posting" appears in the app "Postprocess Event-Based Postings - Product Costing".
• This G/L account is under WIP source type 'N - Costs Not to Be Included' in SSCUI 103940 "Event-Based WIP and Variance Posting". 
• Error message persists even after configuring the relevant G/L account for WIP source type 'N - Costs Not to Be Included'. 

SAP S/4HANA Cloud Public Edition

Assignment in 'Assign WIP Accounts' section of  SSCUI 103940 "Event-Based WIP and Variance Posting" is missing. 

Create a new entry and assign this source 'N - Costs Not to Be Included' in 'Assign WIP Accounts' section of  SSCUI 103940 "Event-Based WIP and Variance Posting". 
When adding this 'N' source entry in 'Assign WIP Accounts', maintain the same accounts as the other entries then save. 
Since this entry is the 'N' type, the accounts will not be saved. The fields will still be blank after the entry is created successfully. 
However, if no accounts when creating this entry, Message no. 68860 will be triggered.  

Refer to: KBA 3344448 - Error "Assign source G/L account xxx for Event-Based WIP posting" - SAP S/4HANA Cloud Public Edition

event-based wip, assign source g/l account, error message, wip source type, N, costs not to be included, sap s/4hana cloud public edition, message no. 68860, assign wip accounts , KBA , CO-PC-OBJ-2CL , Cost Object Controlling (Public Cloud) , Problem