Solution : https://service.sap.com/sap/support/notes/635161 (SAP Service marketplace login required)
Key words :
terms enjoy po, oss note number, relevant valid part, valid part based, enjoy po transaction, usethe function module, function module me_eket_single_read_item, required delivery schedule, aboved delivery schedule, material exchange reason
Related Notes :
450993 | POITEM Structure for Interchange with BAPI_PO_CHANGE |