Fatal error: Uncaught Error: Call to a member function get_default_language() on null in /home/customer/www/waldenswunderkammer.com/public_html/dir/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-install.php:350 Stack trace: #0 /home/customer/www/waldenswunderkammer.com/public_html/dir/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-upgrade.php(672): WCML_Install::insert_default_categories() #1 /home/customer/www/waldenswunderkammer.com/public_html/dir/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-upgrade.php(123): WCML_Upgrade->upgrade_4_2_11() #2 /home/customer/www/waldenswunderkammer.com/public_html/dir/wp-includes/class-wp-hook.php(307): WCML_Upgrade->run('') #3 /home/customer/www/waldenswunderkammer.com/public_html/dir/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #4 /home/customer/www/waldenswunderkammer.com/public_html/dir/wp-includes/plugin.php(476): WP_Hook->do_action(Array) #5 /home/customer/www/waldenswunderkammer.com/public_html/dir/wp-settings.php(5 in /home/customer/www/waldenswunderkammer.com/public_html/dir/wp-content/plugins/woocommerce-multilingual/inc/class-wcml-install.php on line 350