Diagnosis
Source determination did not identify the specified vendor as a validsource of supply for the materials selected.

System Response
Sales prices could not be calculated for the materials selected.

Procedure
Try again, this time without entering a vendor. The system will then usesource determination to find all valid vendors.
To find out why the vendor you selected is not a valid source of supply,please check the purchasing info records for the materials. You couldalso check the source of supply defined for each material in thematerial master.