Fatal error: Uncaught Error: Interface "Nette\HtmlStringable" not found in /var/www/html/xaviers-college-erpweb/vendor/nette/utils/src/Utils/Html.php:235 Stack trace: #0 {main} thrown in /var/www/html/xaviers-college-erpweb/vendor/nette/utils/src/Utils/Html.php on line 235