Language switcher CSS still points to the old URL after site migration

Overview of the issue

After migrating your site, WPML’s language switcher still points to your previous site’s URL.

Workaround

Please, be sure of making a full backup of your site before proceeding.

1. Access to your database.
2. Open your wp_options table.
3. Look for the wpml_language_switcher_template_objects key and delete it.

You may need to resave your permalinks after this action.