Solution : https://service.sap.com/sap/support/notes/321870 (SAP Service marketplace login required)
Key words :
additional key words saplmepo, sap purchase order transaction, enjoy purchase order, purchase order items, error message move_to_lit_notallowed_nodata, termination occurs, program pos_setzen_sub_item, support package, mm06efva_pos_setzen_sub_item, rm_mepo_gui
Related Notes :
| 307781 | ME21N: Purchase orders with sub-items |