3375790 - Error ME124 raised while creating a regular PR or PO that is not Stock Transport - SAP ERP & S/4HANA

When creating a regular PO in ME21N (or a PR in ME51N) that is not using a Stock Transport document type, you receive error message ME124 "Material not subj. to inventory mgmt. in plant". This error should only occur when creating Stock Transport documents.

If you check Vendor/Supplier details (tcode MK03 or BP), you can see that this partner is assigned to a plant.

•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

Purchase Order, STO, STR, ME21N, MM02, ME124 , ME124, Umlagerung , Nichtlagematerial, Stock Transfer, ME 124, EKKO-RESWK, RESWK, EKKO, Vendor, Supplier, Plant, ME22N, ME51N, ME52N, ME_CHECK_RESWK_STOCK_TRANSFER , MEPO_MATERIAL_CHECK , KBA , MM-PUR-PO , Purchase Orders , MM-PUR-REQ , Purchase Requisitions , Problem