Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/kirinyag/public_html/PRODUCTION BACKUP/database/migrations/2026_09_04_010000_create_system_heartbeats_table.php:9 Stack trace: #0 {main} thrown in /home/kirinyag/public_html/PRODUCTION BACKUP/database/migrations/2026_09_04_010000_create_system_heartbeats_table.php on line 9