Solution : https://service.sap.com/sap/support/notes/492138 (SAP Service marketplace login required)
Key words :
material shortage situation, product/location combination, missing transaction type, respective atp group, receipt element, backorder processing, confirmed quantities, terms transactions, /sapapo/bop, /sapapo/bopicumulation
Related Notes :
375193 | Backorder processing: Composite SAP note on posting |