Solution : https://service.sap.com/sap/support/notes/511325 (SAP Service marketplace login required)
Key words :
select 'allowed values', domain '/sapapo/bop_status_item', backorder processing operation, backorder processing, select 'change', /sapapo/bopupdate, /sapapo/bop_status_itemsends, correctly updated, results display, status 'unchanged'
Related Notes :
| 486349 | Backorder processing: item status hangs at 'sent' |
| 444854 | Back order processing: Runtime error ITEM_NOT_FOUND |
| 375193 | Backorder processing: Composite SAP note on posting |