Fatal error: Uncaught Error: Trait "Illuminate\Support\Traits\Conditionable" not found in /home/guillaw/Avimmo/vendor/laravel/framework/src/Illuminate/Mail/Mailables/Headers.php:9 Stack trace: #0 {main} thrown in /home/guillaw/Avimmo/vendor/laravel/framework/src/Illuminate/Mail/Mailables/Headers.php on line 9