Solution : https://service.sap.com/sap/support/notes/126532 (SAP Service marketplace login required)
Key words :
generate error message gs100 'cost element group, settlement assignments shows red traffic lights, system generates error messages, settlement cost element stored, cost element group, attached correction report co_sstruc_corr, cost element groups, message class k4, system displays messages, settlement cost elements
Related Notes :
| 308737 | Allocation struct: K0120 COarea & does not exist |