3413945 - PO can be updated in ME22N but can not with BAPI_PO_CHANGE

"Note: Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

In ME22N, for PO item line, we can update PO quantity to 0, and set deletion indicator, then save, even system trigger error MEPO043, PO still can be saved with quantity = 0.

However, in BAPI_PO_CHANGE, system will not allow to set PO quantity as 0  and delete the item line in one step. It can not be saved.

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• Materials Management (MM)
• SAP ERP Central Component 
• SAP ERP
• SAP enhancement package for SAP ERP
• SAP enhancement package for SAP ERP, version for SAP HANA
• SAP S/4HANA

SAP ERP 6.0 ; SAP ERP Central Component 5.0 ; SAP ERP Central Component 6.0 ; SAP NetWeaver 7.4 ; SAP R/3 Enterprise all versions ; SAP R/3 all versions ; SAP S/4HANA 1610 ; SAP S/4HANA 1709 ; SAP S/4HANA 1809 ; SAP S/4HANA 1909 ; SAP S/4HANA 2020 ; SAP S/4HANA 2021 ; SAP S/4HANA 2022 ; SAP S/4HANA 2023 ; SAP S/4HANA, on-premise edition 1511 ; SAP enhancement package 1 for SAP ERP 6.0 ; SAP enhancement package 2 for SAP ERP 6.0 ; SAP enhancement package 3 for SAP ERP 6.0 ; SAP enhancement package 4 for SAP ERP 6.0 ; SAP enhancement package 4 for SAP ERP 6.0 on SAP enhancement package for SAP NetWeaver 7.0 ; SAP enhancement package 5 for SAP ERP 6.0 ; SAP enhancement package 6 for SAP ERP 6.0 ; SAP enhancement package 6 for SAP ERP 6.0, version for SAP HANA ; SAP enhancement package 7 for SAP ERP 6.0 ; SAP enhancement package 8 for SAP ERP 6.0 ; SAP enhancement package for SAP ERP 2005 ; mySAP ERP 2004

MEPO043, 06076, ME22N, BAPI_PO_CHANGE, MENGE, LOEKZ , KBA , MM-PUR-PO-BAPI , BAPIs - Purchase order , How To