SAP Assignment of purchasing organization to company code and plant

After having created a new purchasing organization in SAP, the next step is to assign it to both a company code in SAP MM, and a plant, in order to be able to use it within the SAP MM module. Otherwise, some issues may be faced while creating a SAP Purchase order for example....
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SAP Purchase Info Record Supplier not created by purchasing organization

During a Purchase Info Record (PIR) or PR creation in SAP, the message no 06321 Supplier not created by purchasing organization might occur the most likely root cause being that the SAP supplier master data used isn't setup as a vendor master record, and therefore you need a business partner master data vendors to be created....
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Category: SAPSAP