Hi there, @PI1417.

Thanks for getting back and providing clarification about this payment. Let me help provide additional information.

Since you've recorded the payment to the wrong customer in QuickBooks, you can fix that by opening the payment and by changing the customer to where the payment should be allocated. 

Once done, it should remove the credit for the person who didn't actually make the payment. 

Please let me know how it goes. I'll be on the lookout for your reply if you need further help with the process. Also, if you need some help articles in the future, you can visit our site: Help articles for QuickBooks Desktop.

I'll be here to help if you have other questions. Have a good one.