To rectify the unreconciled items in the current year that were actually reconciled in the prior year, follow the steps below:
Open the Bank rec in the new year.
Select Conceal (F11) for the items that were actually reconciled in the prior year.
Attaché Accounts: Unreconciled items showing in Bank Rec were reconciled in the prior year
Amounts reconciled are showing in the new year's Bank Reconciliation and it is out of balance.