Fatal error: Uncaught Error: Class "HTMLPurifier_AttrDef_URI_IPv4" not found in /var/www/html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI/IPv6.php:9
Stack trace:
#0 {main}
thrown in /var/www/html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI/IPv6.php on line 9