Diagnosis
The source of supply check has found that the internal vendor &V1& isnot a valid source of supply.
The current source of supply key "&V3&" (internal procurement beforeexternal procurement) means that the internal vendor entered is checkedfirst. If this vendor is not valid, the source of supply determinationfunction searches for external vendors. The system did not find a validvendor for material &V2&.

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

Procedure
Check the settings relevant to supply source determination, such as thesource of supply key, the purchasing info records if using externalprocurement, the supplying sites if using internal procurement, and soon.
Links for checking master data and Customizing:

• Display Material Master Data


• Info Records - List Display


• Display Plant


• Display Vendor


• Reference Purchasing Organization