Fatal error: Uncaught Error: Call to undefined function is_cart() in /home/owartar1/public_html/wp-content/plugins/woocommerce-cart-tab/includes/class-cart-tab-frontend.php:46 Stack trace: #0 /home/owartar1/public_html/wp-includes/class-wp-hook.php(286): WooCommerce_Cart_Tab_Frontend->setup_styles('') #1 /home/owartar1/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /home/owartar1/public_html/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #3 /home/owartar1/public_html/wp-includes/script-loader.php(2537): do_action('wp_enqueue_scri...') #4 /home/owartar1/public_html/wp-includes/class-wp-hook.php(286): wp_enqueue_scripts('') #5 /home/owartar1/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #6 /home/owartar1/public_html/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #7 /home/owartar1/public_html/wp-includes/general-template.php(2745): do_action('wp_head') #8 /home/owartar1/public_html/wp-content/themes/storefront/header.php(18): wp_hea in /home/owartar1/public_html/wp-content/plugins/woocommerce-cart-tab/includes/class-cart-tab-frontend.php on line 46