Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\Leave-main\database\migrations\2025_06_24_071700_add_default_position_to_users.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Leave-main\database\migrations\2025_06_24_071700_add_default_position_to_users.php on line 8