Solution : https://service.sap.com/sap/support/notes/351055 (SAP Service marketplace login required)
Key words :
selection criterion material availability date, additional key words transactions, reference type /sapapo/tbl_bop, function modules /sapapo/bop_buffer_load, sales order item, source code corrections, call transaction se37, missing main item, /sapapo/bopibackorder processing, function module
Related Notes :
334387 | Backorder processing: main items not added |