Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\silontar\database\migrations\2026_03_20_135000_add_detail_fields_to_data_kelompok_table.php:7 Stack trace: #0 {main} thrown in C:\laragon\www\silontar\database\migrations\2026_03_20_135000_add_detail_fields_to_data_kelompok_table.php on line 7