What is wrong?
Warning : require(/home/vol5_7/epizy.com/epiz_24147588/htdocs/wp-content/plugins/woocommerce/includes/wc-order-functions.php): failed to open stream: No such file or directory in /home/vol5_7/epizy.com/epiz_24147588/htdocs/wp-content/plugins/woocommerce/includes/wc-core-functions.php on line 21
Fatal error : require(): Failed opening required ‘/home/vol5_7/epizy.com/epiz_24147588/htdocs/wp-content/plugins/woocommerce/includes/wc-order-functions.php’ (include_path=‘.:/usr/share/pear/’) in /home/vol5_7/epizy.com/epiz_24147588/htdocs/wp-content/plugins/woocommerce/includes/wc-core-functions.php on line 21