- Log into your PrestaShop 1.6 admin dashboard.
- From the main dashboard, look to the left hand navigation panel and hover over Preferences and then click Themes.
- The top portion of the page displays your current theme. Find the Configure your theme section and click on the Advanced settings button.
- You are now on the theme editor page. Be sure that the Default left column is set to Yes (this should already be set by Next, scroll down to the Appearance of columns section and ensure the Category option is checked for the Left column. Scroll down a bit further and ensure the Index option is also checked for the Left column.