Solution : https://service.sap.com/sap/support/notes/943704 (SAP Service marketplace login required)
Key words :
'billing document'->'sales documents' copy control, 'reexplode structure/free goods' indicator, bom explosion reason, attached correction instructions, terms tvcpa-stnew, sales document, billing document, tvcpa_main-stnew, pricing occurs, program error
Related Notes :
413770 | BOM subitems duplicated after billing document is copied |