Fatal error: Uncaught Error: Trait "Illuminate\Support\Traits\Conditionable" not found in C:\wamp64\houda\vendor\laravel\framework\src\Illuminate\Mail\Mailable.php:36 Stack trace: #0 {main} thrown in C:\wamp64\houda\vendor\laravel\framework\src\Illuminate\Mail\Mailable.php on line 36