Message SAP WV276 - Vendor &1 is not an allowed source of supply

Diagnosis
In the source of supply check it was determined that vendor &V1& is nota valid source of supply for material &V2&.

System Response
Prices could not be calculated for material &V2&.

Procedure
Check the purchasing info record for material &V2& and vendor &V1&. Thesystem may have refused the vendor as a source of supply because thevendor is unable to deliver in the validity period of the pricecalculation.