Fatal error: Uncaught Error: Interface "Masterminds\HTML5\Parser\EventHandler" not found in C:\xampp\htdocs\astra-backoffice\vendor\masterminds\html5\test\HTML5\Parser\EventStack.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\astra-backoffice\vendor\masterminds\html5\test\HTML5\Parser\EventStack.php on line 18