Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Validation\Rule" not found in C:\laragon\www\backup\clients.if-net.fr\app\Rules\PublicSmtpHost.php:18 Stack trace: #0 {main} thrown in C:\laragon\www\backup\clients.if-net.fr\app\Rules\PublicSmtpHost.php on line 18