Nominal accounts must be set as Bank or Petty Cash type in their nominal record to appear in the Cashbook:
In Financials, click Accounts, find and open the nominal account to update.
Select the Details tab and click Edit.
Set the Account Type to the required type, then click Save.
📌 Note: Any transactions posted to the account before it is set as Bank or Petty Cash type will not appear for reconciliation.