Hi @suegeorge,
Thank you for your post and welcome to the Community Forum.
In this regard, if you are using an online payment, the payment information for each transaction will be shown as mismatched when you receive a lump sum deposit for your online payments for several invoices. This deposited transaction must match what is seen on your bank feed and bank statements. You can do this by connecting a single bank transaction to numerous necessary ones. For instructions, please see the Article: Matching bank transactions and Online Payments has additional information about this service.
By going to Reporting>>Reports>>Transaction detail, you can check who paid the transaction.
If you need further assistance with this, please don't hesitate to contact us again. We are happy to assist you.
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Thanks,
Cel