Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\hannoole\PMS\database\migrations\2024_08_28_072957_add_flexible_shift_column.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\PMS\database\migrations\2024_08_28_072957_add_flexible_shift_column.php on line 7