Solution : https://service.sap.com/sap/support/notes/976849 (SAP Service marketplace login required)
Key words :
function module kauf_order_change_bapifields, terms lock entry, previously processed orders, account assignment manager, account assignment, lock entries, internal orders, repeatedly call, master data, increasingly slow
Related Notes :
1254981 | CRM service contract: No order created for line item |
969602 | Current Release Restrictions for DBM 6.0 |
725886 | CO internal order: Block by KAUF_ORDER_CHANGE_BAPIFIELDS |
495766 | Internal order: Change selected master data using module |