Unable to Load the Expense Destination Requisition Using FBDI If there is no BPA Ref

Organization Name (Required - If you are an Oracle Partner, please provide the organization you are logging the idea on behalf of):

GEA

Description (Required):

We are Loading the Expense Destination Requisition using FBDI and facing issue where we don't have the BPA Reference. Requisition is failing with error -
"The supplier site isn't valid. It must be an active purchasing or sourcing-only site of the supplier
and assigned to the requisitioning BU. If the same site name exists across multiple 
procurement business units, then either the requisitioning BU supplier site assignment must be
unique, or there must be an agreement to determine the supplier and supplier site