Fatal error: Uncaught Error: Call to a member function get_default_language() on null in /home/fredao/www/wp-content/plugins/polylang/include/api.php:94 Stack trace: #0 /home/fredao/www/wp-content/plugins/yith-woocommerce-wishlist/includes/functions-yith-wcwl.php(816): pll_default_language() #1 /home/fredao/www/wp-content/plugins/yith-woocommerce-wishlist/includes/class-yith-wcwl.php(854): yith_wcwl_object_id() #2 /home/fredao/www/wp-includes/class-wp-hook.php(324): YITH_WCWL->add_rewrite_rules() #3 /home/fredao/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #4 /home/fredao/www/wp-includes/plugin.php(517): WP_Hook->do_action() #5 /home/fredao/www/wp-settings.php(695): do_action() #6 /home/fredao/www/wp-config.php(100): require_once('/home/fredao/ww...') #7 /home/fredao/www/wp-load.php(50): require_once('/home/fredao/ww...') #8 /home/fredao/www/wp-blog-header.php(13): require_once('/home/fredao/ww...') #9 /home/fredao/www/index.php(17): require('/home/fredao/ww...') #10 {main} thrown in /home/fredao/www/wp-content/plugins/polylang/include/api.php on line 94