Fatal error: Uncaught Error: Call to undefined function apply_filters() in /customers/9/b/6/quartz-studio.com/httpd.www/wp-includes/load.php:316
Stack trace:
#0 /customers/9/b/6/quartz-studio.com/httpd.www/wp-settings.php(61): wp_debug_mode()
#1 /customers/9/b/6/quartz-studio.com/httpd.www/wp-config.php(96): require_once('/customers/9/b/...')
#2 /customers/9/b/6/quartz-studio.com/httpd.www/wp-load.php(29): require_once('/customers/9/b/...')
#3 /customers/9/b/6/quartz-studio.com/httpd.www/wp-login.php(12): require('/customers/9/b/...')
#4 {main}
  thrown in /customers/9/b/6/quartz-studio.com/httpd.www/wp-includes/load.php on line 316