Steps to unlock the box 1. Steps to unlock the box: Delete all journal entries in the Local Currency Bank 1 journal: Go to Daily > Journal Entries Filter by journal entry Delete each line (right-click > Delete) Verify that no entries remain: The journal must be completely empty (not even a draft or simulation line) 2. Access the journal settings: Menu: Structure > Journal Codes Double-click on Local Currency Bank 1 Edit the "Counterpart for each line" checkbox: It should now be unlocked You can check or uncheck it as needed 3. Important: If any entries have been moved to the history, they must be canceled or moved before modification. If the journal is centralized, you must also delete the centralization line (it disappears automatically after deleting the detail lines).