Fatal error: Uncaught Error: Class 'XMLWriter' not found in /home/makintou/public_html/intro/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/Builder/Xml.php:7 Stack trace: #0 {main} thrown in /home/makintou/public_html/intro/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ConfigSchema/Builder/Xml.php on line 7