Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\ujian-online\database\migrations\2026_04_23_000000_add_role_and_identifier_to_users.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\ujian-online\database\migrations\2026_04_23_000000_add_role_and_identifier_to_users.php on line 7