Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/robc3686/public_html/erp.robbybirham.id/database/migrations/2025_02_01_080952_add_index_to_subject.php:7 Stack trace: #0 {main} thrown in /home/robc3686/public_html/erp.robbybirham.id/database/migrations/2025_02_01_080952_add_index_to_subject.php on line 7