Solution : https://service.sap.com/sap/support/notes/374185 (SAP Service marketplace login required)
Key words :
system generates error message ko451, additional key words transactions, 'deletion flag' status, error occurs, 'completed' status, production order, process order, quantity structure, unsettled variances, settlement rule
Related Notes :
421710 | Check report whether "Deletion flag" status can be set |
101644 | Error message KO451 when setting the deletion flag |
35507 | CO88: Variances are not settled |