Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\silontar\database\migrations\2026_03_20_141000_drop_unused_columns_from_data_kelompok_table.php:8 Stack trace: #0 {main} thrown in C:\laragon\www\silontar\database\migrations\2026_03_20_141000_drop_unused_columns_from_data_kelompok_table.php on line 8