Fatal error: Uncaught Error: Class "Illuminate\Database\Seeder" not found in /opt/lampp/htdocs/msjsurvey/database/seeders/add_email_token_field.php:9 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjsurvey/database/seeders/add_email_token_field.php on line 9