Fatal error: Uncaught Error: Call to undefined function WC() in /home/0011/sites/s1009/olijslagers.nl/web/assets/extras/dvin-wcql/class-dvin-wcql.php:302 Stack trace: #0 /home/0011/sites/s1009/olijslagers.nl/web/assets/extras/dvin-wcql/dvin-woocommerce-quotelist.php(129): Dvin_Wcql::get_qlist_from_session() #1 /home/0011/sites/s1009/olijslagers.nl/web/wp-includes/class-wp-hook.php(287): dvin_wcql_initialize('') #2 /home/0011/sites/s1009/olijslagers.nl/web/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #3 /home/0011/sites/s1009/olijslagers.nl/web/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #4 /home/0011/sites/s1009/olijslagers.nl/web/wp-settings.php(562): do_action('wp_loaded') #5 /home/0011/sites/s1009/olijslagers.nl/web/wp-config.php(105): require_once('/home/0011/site...') #6 /home/0011/sites/s1009/olijslagers.nl/web/wp-load.php(37): require_once('/home/0011/site...') #7 /home/0011/sites/s1009/olijslagers.nl/web/wp-blog-header.php(13): require_once('/home/0011/site...') #8 /home/0011/ in /home/0011/sites/s1009/olijslagers.nl/web/assets/extras/dvin-wcql/class-dvin-wcql.php on line 302