Fatal error: Uncaught Error: Interface "HtmlSanitizer\Extension\ExtensionInterface" not found in /home/waheejsa/public_html/waheej/vendor/tgalopin/html-sanitizer/tests/Extension/CustomExtension.php:19 Stack trace: #0 {main} thrown in /home/waheejsa/public_html/waheej/vendor/tgalopin/html-sanitizer/tests/Extension/CustomExtension.php on line 19