Solution : https://service.sap.com/sap/support/notes/524513 (SAP Service marketplace login required)
Key words :
pricing' -> 'special pricing functions' -> 'duplicate, deleting line items, regular sap support, function module pricing_complete, function module sd_cond_v_t685a_check, field kdupl = 'b', field kdupl = 'a', group key routine, calculation type allowed, condition class allowed
Related Notes :
| 844141 | FAQ: Cumulated conditions |
| 451108 | Rules-based ATP in APO: Customizing SD item categories |