Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Part\TextPart" not found in C:\xampp\htdocs\slip\laravel-webhooks\vendor\symfony\mime\Part\DataPart.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\slip\laravel-webhooks\vendor\symfony\mime\Part\DataPart.php on line 20