Just go back to the date they were last in agreement and go through carefully item by item on the bank statement, making sure each one appears on the QB account, then do the reverse, go through each item in QB making sure it appears on the bank statement. It's best...
If I'm understanding that correctly (doubtful), and the original cc charge was recorded in QB, you will need to reverse that entry. That entry is a debit to the cc liability account and a credit to the same account as the original charge. That will replace the cc...
In case you'll have to modify your journal entry data or reverse it, simply follow the instructions in this article to carry out the task: Create a journal entry in QuickBooks Desktop for Windows or Mac. I've got some resources that can help you in the future. The...