3555488 - Error MLCCS010 raised in APP 'Postprocess Event Based Postings - Product Costing' - SAP S/4HANA Cloud Public Edition

MLCCS010 raised in APP 'Postprocess Event Based Postings - Product Costing'.
Error: Cost element &1 is not assigned to a cost component in CostCompStruct &2 

SAP S/4HANA Cloud Public Edition 

Assign cost element &1 under Cost Component Structure &2 in "Define Cost Component Structure"(SSCUI 102427).

Afterwards, choose the errors and click 'Simulate' and 'Post' to reprocess the postings.

MLCCS010, CCS, Cost Component Structure, Y1, 3F0, OKTZ, actual cost component split, MLCCS, 010, MLCCS 010, Define Cost Component Structure, SSCUI 102427, 102427, Cost Element, Component Structure, CostCompStruct, event based order, cost component split. , KBA , CO-PC-OBJ-2CL , Cost Object Controlling (Public Cloud) , Problem