Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /opt/lampp/htdocs/appproject/database/migrations/2026_02_26_082600_add_is_planned_to_trs_po_assign.php:7 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/appproject/database/migrations/2026_02_26_082600_add_is_planned_to_trs_po_assign.php on line 7