How to delete a piece of transaction cost from a bill?

If a bill has been generated for this transaction and has not been paid, the following operations are required for the bill arrival first:

Log in to your WMS account>Billing>Account&Invoice>Find the customer’s bill in the unpaid status where this transcation is located>Remove the transaction from the bill>Return to the transaction page>Click Reverse>Paste the transaction number>Click Search>Reason for Note Deletion>Void the transaction .