Line pairing is not happening if Invoice Item Quantity is not same as PO line Item Quantity

Hello Experts,

Line pairing is not happening if Item Quantity is not matching in Invoice and PO.

for Example:

In PO we are having the Item Quantity as 100 and the invoice Quantity as 50, line pairing is not happening even unit price is same

attaching the ini file for the reference.

Please advise.

Thanks

Sanjeev