PO number not getting recognized at Invoice Header Level for PO Invoices in IDR

Summary:

PO numbers at invoice header level is not getting recognized for PO Invoices.

as per community search, found that a profile option needs to be defined with PO Format for each business unit.

Above step has been done however still facing same issue. one thing we observed is the current PO numbering format in our application is numeric.

Whereas in the oracle documentation, found that IDR would recognize only POs with alphanumeric format. Is that statement true?

If not, how to solve this issue for our case.

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