Fatal error: Uncaught Error: Class "DebugBar\DataCollector\DataCollector" not found in E:\xampp\htdocs\stms\vendor\barryvdh\laravel-debugbar\src\DataCollector\FilesCollector.php:9 Stack trace: #0 {main} thrown in E:\xampp\htdocs\stms\vendor\barryvdh\laravel-debugbar\src\DataCollector\FilesCollector.php on line 9