Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\Clinic\database\migrations\2026_09_03_000002_backfill_issued_document_tokens.php:24 Stack trace: #0 {main} thrown in C:\laragon\www\Clinic\database\migrations\2026_09_03_000002_backfill_issued_document_tokens.php on line 24