Import Payables Interface should identify the substitute items to match with correct PO Line?

Summary:

We are importing Supplier Invoice EDI810 into B2B Collaboration successfully. But when we run the "Import Payables Invoices" using source: B2B XML Invoice.

EDI810 Invoice Import Fails with “Inconsistent PO Line Information” for Substitute Line Item. The whole invoice is rejected.

Content (please ensure you mask any confidential information):

Title: Support for Invoicing Substitute Items in High-Volume Retail via EDI810

Category: Payables PO Matched Invoices

Idea Description:

Our client operates in the retail industry and processes a high volume of invoices via EDI810—approximately 700–800 invoices daily, each averaging 16–20 lines. In the Inventory (PID) module, we have established substitute item relationships for each PO item.