QuickBooks Online sync error: Business Validation Error: This transaction is matched to a downloaded transaction. If you want to change the account, you need to unmatch the transaction first.

Why the sync error occurs

This error occurs when a voided or updated payment in Key CashFlow is trying to sync to QuickBooks Online, but the payment is downloaded and matched to a register that's different from the payment account on the payment in Key CashFlow.

How to fix the sync error

There are three ways to fix this error. Select the one that works best for your workflow.

Unmatch the payment in QuickBooks Online

To unmatch the payment in QuickBooks Online, please see the QBO support article. Once unmatched, sync again.

Edit the payment account in Key CashFlow to match QuickBooks Online

This option only applies if the payment is an offline payment, and it hasn't been voided.

To edit the payment account in Key CashFlow:

1. Select Payments Out in the navigation menu
2. Select the Payment confirmation number
3. Select edit
4. Edit the Payment Account to match the account register the payment was downloaded to in QuickBooks Online
5. Select Save
6. Sync again

Manually update QuickBooks Online

Update or void the payment as needed in QuickBooks Online, then contact Customer Support to clear the sync error.