Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in C:\laragon\www\backup\clients.if-net.fr\addons\announcements\database\seeders\AnnouncementCategorySeeder.php:15 Stack trace: #0 {main} thrown in C:\laragon\www\backup\clients.if-net.fr\addons\announcements\database\seeders\AnnouncementCategorySeeder.php on line 15