Fatal error: Uncaught Error: Class "HtmlValidator\Exception" not found in /home/yrdsb11w3creativ/public_html/109/vendor/rexxars/html-validator/library/HtmlValidator/Exception/UnknownParserException.php:21 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/109/vendor/rexxars/html-validator/library/HtmlValidator/Exception/UnknownParserException.php on line 21