Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in /home/flighto/e-commerce2/packages/Webkul/Attribute/src/Database/Seeders/AttributeTableSeeder.php:9 Stack trace: #0 {main} thrown in /home/flighto/e-commerce2/packages/Webkul/Attribute/src/Database/Seeders/AttributeTableSeeder.php on line 9