Fatal error: Uncaught Error: Interface "HtmlSanitizer\Extension\ExtensionInterface" not found in C:\xampp\htdocs\projet-GMAO\vendor\tgalopin\html-sanitizer\tests\Extension\CustomExtension.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\projet-GMAO\vendor\tgalopin\html-sanitizer\tests\Extension\CustomExtension.php on line 19