I'm here to help you fix the reconciliation discrepancy, @yvonnemin.
The payment transactions showing on the reconciliation page depend on the period you're reconciling. To figure out the difference, you can check your bank statement and verify we're this transaction came from so you can manually add or edit the payment.
Also, make sure the beginning balance of the reconciliation is correct, follow the steps below:
- On the Reconcile page, click the Edit info button.
- In the Edit the information from your statement screens, verify that the Ending balance and Ending date information matches the information from your statement (refer to the screenshot below).
- Make any necessary changes to the Ending balance and Ending date.
- Click Save.
This article will provide more troubleshooting about reconciliation: Fix issues for accounts you've reconciled in the past in QuickBooks Online.
Additionally, you can check out this article: Reconcile hub. It contains in-depth guide for reconciliation, along with links to related articles for this process.
I'd like to make sure that you're able to resolve this concern, please let us know how it goes by posting a comment below. We're always here to help. Best regards.