Fatal error: Uncaught Error: Class "WC_Product" not found in /home/tchau/public_html/wp-content/plugins/mix_match_box_product/includes/class-ubp-product-type.php:11 Stack trace: #0 /home/tchau/public_html/wp-content/plugins/mix_match_box_product/ultimate-box-product.php(65): require() #1 /home/tchau/public_html/wp-includes/class-wp-hook.php(308): UBP_Custom_Product_Box->register_box_product_product_type('') #2 /home/tchau/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #3 /home/tchau/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /home/tchau/public_html/wp-settings.php(480): do_action('plugins_loaded') #5 /home/tchau/public_html/wp-config.php(65): require_once('/home/tchau/pub...') #6 /home/tchau/public_html/wp-load.php(50): require_once('/home/tchau/pub...') #7 /home/tchau/public_html/wp-blog-header.php(13): require_once('/home/tchau/pub...') #8 /home/tchau/public_html/index.php(17): require('/home/tchau/pub...') #9 {main} thrown in /home/tchau/public_html/wp-content/plugins/mix_match_box_product/includes/class-ubp-product-type.php on line 11