Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/marketo/demo.marketoo.com.bd/database/migrations/2022_02_13_091819_add_notification_sent_field_to_subscriptions_table.php:7 Stack trace: #0 {main} thrown in /home/marketo/demo.marketoo.com.bd/database/migrations/2022_02_13_091819_add_notification_sent_field_to_subscriptions_table.php on line 7