Check the account in the chart of accounts 1. Check the account in the chart of accounts Access the chart of accounts: Menu: Structure > Chart of Accounts Find account 51211000: You can use the search function or scroll through the list. 2. Check the settings: Correct title (e.g., "Main Bank") Account type: General Class: 5 (Financial Accounts) Asset or Liability depending on your settings 3. If the account does not appear: You can create it manually: Number: 51211000 Title: Bank [Name of bank or specific account] Class: 5 Type: General Analytical tracking: as needed Tip: Even if the account exists, you can customize it (change the title, add an analytical code, etc.) to better track your bank transactions, especially if you manage multiple accounts.