My website is crash

My webiste is crash. And it show the error below, can anyone know what does it cause?

Fatal error: Uncaught Error: Call to undefined function get_current_screen() in /home/customer/www/foodsfun-store.com/public_html/wp-content/plugins/yith-woocommerce-order-tracking/includes/class.yith-woocommerce-order-tracking.php:252 Stack trace: #0 /home/customer/www/foodsfun-store.com/public_html/wp-includes/class-wp-hook.php(308): YITH_WooCommerce_Order_Tracking->enqueue_scripts(”) #1 /home/customer/www/foodsfun-store.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #2 /home/customer/www/foodsfun-store.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /home/customer/www/foodsfun-store.com/public_html/wp-includes/script-loader.php(2194): do_action(‘wp_enqueue_scri…’) #4 /home/customer/www/foodsfun-store.com/public_html/wp-includes/class-wp-hook.php(308): wp_enqueue_scripts(”) #5 /home/customer/www/foodsfun-store.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #6 /home/customer/www/foodsfun-store.com/public_html/w in /home/customer/www/foodsfun-store.com/public_html/wp-content/plugins/yith-woocommerce-order-tracking/includes/class.yith-woocommerce-order-tracking.php on line 252

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