2804861 - In the case of a fixed supplier, please enter info record

You have created a 'Purchase Requisition'. Afterwards you call the APP 'Manage Purchase Requisitions' to assign a source of supply and create a 'Purchase Order'. During the creation of the Purchase Order you receive an error 'In the case of a fixed supplier, please enter info record' you are unable to proceed.

SAP S/4HANA Cloud All versions.

BPUEB, 06334, Manage Purchase Requisitions, LMEQRF1Q, MEPO_ITEM_FILL, comim-estkz, omim-bpueb. , KBA , MM-FIO-PUR-REQ-PRF , Manage Purchase Requisitions – Professional , Problem