AP Invoice going on Hold - "Quantity billed exceeds quantity accepted" for 2 way Matched POs

Hello All

We have created a 2 Way PO. We create the AP Invoice for the same PO and Validate it,

On Validation, AP Invoice is going on Hold - "Quantity billed exceeds quantity accepted"

Can anyone please share your inputs - Why such a 2 Way Matched POs are going on Hold based on Quantity Accepted.

Thanks