Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in /home/appilogicx/public_html/marketing/database/migrations/2017_07_28_050000_add_subscriptions_sub_account_id.php:6 Stack trace: #0 {main} thrown in /home/appilogicx/public_html/marketing/database/migrations/2017_07_28_050000_add_subscriptions_sub_account_id.php on line 6