Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /opt/lampp/htdocs/msjso/database/migrations/2026_07_29_000001_fix_hierarchy_self_cycle.php:6 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjso/database/migrations/2026_07_29_000001_fix_hierarchy_self_cycle.php on line 6