Fatal error: Uncaught Error: Call to a member function get_default_language() on null in /www/htdocs/w01760ca/socialanalytics.one/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-install.php:279 Stack trace: #0 /www/htdocs/w01760ca/socialanalytics.one/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-upgrade.php(670): WCML_Install::insert_default_categories() #1 /www/htdocs/w01760ca/socialanalytics.one/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-upgrade.php(113): WCML_Upgrade->upgrade_4_2_11() #2 /www/htdocs/w01760ca/socialanalytics.one/wp-includes/class-wp-hook.php(286): WCML_Upgrade->run('') #3 /www/htdocs/w01760ca/socialanalytics.one/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #4 /www/htdocs/w01760ca/socialanalytics.one/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #5 /www/htdocs/w01760ca/socialanalytics.one/wp-settings.php(450): do_action('init') #6 /www/htdocs/w01760ca/socialanalytics.one/wp-config.php(89): require_once('/www/htdocs/w01...') #7 /w in /www/htdocs/w01760ca/socialanalytics.one/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-install.php on line 279