Fatal error: Uncaught Error: Class "DebugBar\DataCollector\DataCollector" not found in E:\xampp\htdocs\stms\vendor\maximebf\debugbar\src\DebugBar\Bridge\Symfony\SymfonyMailCollector.php:15 Stack trace: #0 {main} thrown in E:\xampp\htdocs\stms\vendor\maximebf\debugbar\src\DebugBar\Bridge\Symfony\SymfonyMailCollector.php on line 15