Solution : https://service.sap.com/sap/support/notes/386484 (SAP Service marketplace login required)
Key words :
activate proposed module exit_saplve_ 'sd documents - item, additional key words incompleteness logdocument processingitem categorybatchesbills, check module exit_saplve_006 'foreign trade data - item, interface parameter i_invoice_item-pstyv, foreign trade data, export item data', departure/destination country, sap enhancement veprop, completeness flag c_complete, required system response
Related Notes :
118573 | User exits foreign trade data in SD and MM documents |