When you start the Begin Reconciliation window then choose an account to reconcile, the Beginning Balance is zero or incorrect. There could be any reasons among following:
When the account was set-up incorrect balance or No balance was entered.
Past cleared and reconciled transactions were modified, void, or deleted.
File was converted from an other version of QuickBooks.
Probably data damage.
In this post we are going to discuss about the solution of beginning balance issues in QuickBooks Desktop.
Steps to fix an incorrect beginning balance issues in QuickBooks desktop
Check steps below to run the reports:
Reconcile Discrepancy Report
Click on Reports menu and then choose Banking and then select Reconciliation Discrepancy.
Select on the relevant Account and then select on OK. You'll get a list of transactions which were changed since last reconciliation. It's helpful to identify the transaction so use it.
Write down mistakes like transaction date and entered/Last Modified data, that will assist you to understand when the change happened.