Solution:
1. Check Footer Module: Navigate to the OpenCart admin panel and go to Extensions > Extensions > Modules. Ensure that the footer module is installed and enabled. If not, install and enable it.

2. Clear Cache: Sometimes, cached data can cause display issues. Go to System > Settings > Edit your store > Server tab, and click on the “Clear Cache” button.

3. Theme Compatibility: Ensure that you are using the latest version of the Journal theme that is compatible with your OpenCart version. Update the theme if necessary.

4. Theme Settings: Check the Journal theme settings to make sure the footer is enabled. Go to Extensions > Extensions > Themes > Journal Theme > Edit > General > Footer, and confirm that it is enabled.

5. Modify Layout: Go to Extensions > Extensions > Themes > Journal Theme > Edit > Layouts > Home, and ensure the footer module is placed in the appropriate position.

6. CSS Conflicts: Check for any CSS conflicts that might be hiding the footer. Use browser developer tools to inspect the footer element and identify potential conflicts.

7. Disable Extensions: Temporarily disable other installed extensions to see if any of them are causing conflicts with the footer display.

8. Restore Default Template: If you have made extensive customizations, revert to the default Journal theme template to check if the issue is resolved. You can keep a backup of your customizations for later use.

9. Theme Developer Support: If none of the above solutions work, reach out to the Journal theme developer for further assistance. They may provide additional insights and fixes.

10. Forum/Community Support: Check the OpenCart community forums for similar issues and solutions posted by other users. You might find a specific solution tailored to your problem.