Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/appilogicx/public_html/marketing/database/migrations/2017_01_22_175544_add_sending_servers_quota_column.php:6 Stack trace: #0 {main} thrown in /home/appilogicx/public_html/marketing/database/migrations/2017_01_22_175544_add_sending_servers_quota_column.php on line 6