Fatal error: Uncaught Error: Class "HTMLPurifier_AttrDef" not found in /apps/var/www/html/spip/plugins-dist/safehtml/lib/xemlock/htmlpurifier-html5/library/HTMLPurifier/AttrDef/HTML5/IntegrityMetadata.php:10 Stack trace: #0 {main} thrown in /apps/var/www/html/spip/plugins-dist/safehtml/lib/xemlock/htmlpurifier-html5/library/HTMLPurifier/AttrDef/HTML5/IntegrityMetadata.php on line 10