Diagnosis
The source of supply check has found that the external vendor &V1& isnot a valid source of supply.
The current source of supply key "&V3&" (external procurement beforeinternal procurement) checks the external vendor entered first. If thisis not valid, the source of supply determination function searches forinternal vendors. This check did not find a vendor for material &V2&.

System Response
No calculation can be performed for material &V2&.

Procedure
Check the settings that are relevant for supply source determination,such as the source of supply key, the purchasing info records if usingexternal procurement, the supplying sites if using internalprocurement, and so on.
Links for checking master data and Customizing:

• Display Material Master Data


• Info Records - List Display


• Display Plant


• Display Vendor


• Reference Purchasing Organization