Solution : https://service.sap.com/sap/support/notes/376773 (SAP Service marketplace login required)
Key words :
simply provide general instructions, collaborative scheduling agreement processing, userexit exit_/sapapo/saplbop_filt_010, assigned ddic field names, lv_result indicator shows, sales scheduling agreements, /sapapo/bopibackorder processing, /sapapo/bop_catalog_filter zuser_bop_select_criteria2, /sapapo/bop_catalog_filter_bm zuser_bop_select_criteria_bm3, /sapapo/bop_catalog_filter_bi zuser_bop_select_criteria_bistructure 1
Related Notes :
459398 | Backorder processing: Account assignment ID not available |
421027 | Backorder processing: Filter display with cust. atts. |
381190 | Backorder processing:Inactive order items cancelled |
380703 | Backorder processing: Documents with unchecked status |
377186 | Backorder procg: User exit EXIT_/SAPAPO/SAPLBOP_SORT_020 |
174969 | Rule determination does not work for numeric field values |