Fatal error: Uncaught Error: Class 'Whoops\Handler\Handler' not found in D:\xampp\htdocs\datatext_v4\vendor\nunomaduro\collision\src\Handler.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\datatext_v4\vendor\nunomaduro\collision\src\Handler.php on line 17