Solution : https://service.sap.com/sap/support/notes/93874 (SAP Service marketplace login required)
Key words : 
additional key words co01, variable-size items, source code error, source code, production order, component scrap, requirement quantity, calculated correctly, solution correct, prerequisites
Related Notes : 
       
| 305596 | Size: BDMNG does not correspond to ERFMG in order |