Fatal error: Uncaught Error: Class "HTMLPurifier_Definition" not found in D:\Apache24\www\dls\back-end\vendor\ezyang\htmlpurifier\library\HTMLPurifier\HTMLDefinition.php:26 Stack trace: #0 {main} thrown in D:\Apache24\www\dls\back-end\vendor\ezyang\htmlpurifier\library\HTMLPurifier\HTMLDefinition.php on line 26