Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/alkhalaffamily/public_html/test_f/database/migrations/2021_05_24_121946_add_seen_to_notifications.php:7 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/test_f/database/migrations/2021_05_24_121946_add_seen_to_notifications.php on line 7