Fatal error: Uncaught Error: Undefined class constant 'WEBPAGE_HASH' in /var/www/html/wp-content/plugins/wpseo-woocommerce/classes/woocommerce-schema.php:169 Stack trace: #0 /var/www/html/wp-includes/class-wp-hook.php(324): WPSEO_WooCommerce_Schema->change_product(Array, Object(WC_Product_Variable)) #1 /var/www/html/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array) #2 /var/www/html/wp-content/plugins/woocommerce/includes/class-wc-structured-data.php(364): apply_filters('woocommerce_str...', Array, Object(WC_Product_Variable)) #3 /var/www/html/wp-content/plugins/jet-woo-builder/templates/woocommerce/archive-product.php(18): WC_Structured_Data->generate_product_data() #4 /var/www/html/wp-includes/template-loader.php(106): include('/var/www/html/w...') #5 /var/www/html/wp-blog-header.php(19): require_once('/var/www/html/w...') #6 /var/www/html/index.php(17): require('/var/www/html/w...') #7 {main} thrown in /var/www/html/wp-content/plugins/wpseo-woocommerce/classes/woocommerce-schema.php on line 169
internal_server_error <![CDATA[WordPress &rsaquo; Error]]> 500