If your installed Vani theme version is older than the latest version of Vani, We recommend to update your Vani theme. New version can have new features, fix for known bugs and other improvements.
How To Update Vani Theme
Please follow below steps to update Vani theme.
Step 1: Download Theme
You can download latest version of Vani theme from project page:
https://www.drupal.org/project/vani
Step 2
Put your website in Maintenance mode.
Navigate to:
Home Administration Configuration Development Maintenance mode
example.com/admin/config/development/maintenance
Step 3: Upload Theme
Upload the new theme files by overwriting the existing files.
Step 4
Take your site out of maintenance mode.
Step 5: Save Vani Theme Settings
Navigate to:
Home Administration Appearance Appearance settings Vani
example.com/admin/appearance/settings/vani
and re-save theme settings.
This is required because the new version can have new settings.
Step 6:
Clear Drupal cache.
Navigate to:
Home Administration Configuration Development Performance
example.com/admin/config/development/performance
Done!!!