Fatal error: Uncaught Error: Class "HTMLPurifier_ChildDef_Required" not found in /var/www/html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/StrictBlockquote.php:6
Stack trace:
#0 {main}
thrown in /var/www/html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/ChildDef/StrictBlockquote.php on line 6