Fatal error: Uncaught Error: Call to undefined function wc_product_class() in /var/www/eris-shop2.tkdemos.com/htdocs/wp-content/themes/eris-shop/woocommerce/content-single-product.php:35 Stack trace: #0 /var/www/eris-shop2.tkdemos.com/htdocs/wp-includes/template.php(690): require() #1 /var/www/eris-shop2.tkdemos.com/htdocs/wp-content/plugins/woocommerce/includes/wc-core-functions.php(180): load_template('/var/www/eris-s...', false) #2 /var/www/eris-shop2.tkdemos.com/htdocs/wp-content/plugins/woocommerce/includes/wc-template-functions.php(555): wc_get_template_part('content', 'single-product') #3 /var/www/eris-shop2.tkdemos.com/htdocs/wp-content/themes/eris-shop/woocommerce.php(116): woocommerce_content() #4 /var/www/eris-shop2.tkdemos.com/htdocs/wp-includes/template-loader.php(74): include('/var/www/eris-s...') #5 /var/www/eris-shop2.tkdemos.com/htdocs/wp-blog-header.php(19): require_once('/var/www/eris-s...') #6 /var/www/eris-shop2.tkdemos.com/htdocs/index.php(17): require('/var/www/eris-s...') #7 {main} thrown in /var/www/eris-shop2.tkdemos.com/htdocs/wp-content/themes/eris-shop/woocommerce/content-single-product.php on line 35