how to solve issue while posting purchase voucher the invoice amount is 11632 but it showing the invoice amouont is 15234

This is regarding PO order no. 1112/000149. While trying to post purchase voucher following issue is coming.

  1. Invoice amount is 181636 and system is showing invoice amount as 157562.

how to solve this .

can you explain what are the other transactions that got posted with that voucher?

Note: It is not really required to expose the real data(PO number) here, you can explain with an example…