Solution : https://service.sap.com/sap/support/notes/152218 (SAP Service marketplace login required)
Key words :
inob-cuobj new_instance reference field, additional key words set, saving items created manually, configuration scenario 'sales order', create function module 'cuko_save_manual_added_item_sd', old_instance reference field, create items manually, components created manually, function module 'cud0_check_ref_inst_exit', prerequisites solution implement
Related Notes :
| 177170 | Item numbers for manual changes in SET |
| 140858 | Long runtimes when copying SD documents |
| 119119 | @1B@Set with manual changes, reference |