Fatal error: Uncaught Error: Class 'Illuminate\Database\Seeder' not found in /var/www/html/vendor/backpack/crud/tests/config/database/seeds/UsersTableSeeder.php:9
Stack trace:
#0 {main}
thrown in /var/www/html/vendor/backpack/crud/tests/config/database/seeds/UsersTableSeeder.php on line 9