Fatal error: Uncaught Error: Class "HtmlSanitizer\Node\AbstractTagNode" not found in C:\xampp\htdocs\projet-GMAO\vendor\tgalopin\html-sanitizer\tests\Extension\Node\CustomNode.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\projet-GMAO\vendor\tgalopin\html-sanitizer\tests\Extension\Node\CustomNode.php on line 20