Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Mail\Mailer' not found in D:\xampp\htdocs\erp_api\vendor\laravel\framework\src\Illuminate\Mail\Mailer.php:16 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\laravel\framework\src\Illuminate\Mail\Mailer.php on line 16