Fatal error: Uncaught Error: Class 'HTMLPurifier_Exception' not found in C:\web\qhzyy\vendor\ezyang\htmlpurifier\library\HTMLPurifier\VarParserException.php:6 Stack trace: #0 {main} thrown in C:\web\qhzyy\vendor\ezyang\htmlpurifier\library\HTMLPurifier\VarParserException.php on line 6