Fatal error: Uncaught Error: Class "DebugBar\DataCollector\DataCollector" not found in E:\xampp\htdocs\stms\vendor\barryvdh\laravel-debugbar\src\Support\Clockwork\ClockworkCollector.php:15 Stack trace: #0 {main} thrown in E:\xampp\htdocs\stms\vendor\barryvdh\laravel-debugbar\src\Support\Clockwork\ClockworkCollector.php on line 15