Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in D:\xampp\htdocs\New folder\pengadaan-barang\database\migrations\2021_12_30_234451_add_estimasi_to_transaksis.php:7 Stack trace: #0 {main} thrown in D:\xampp\htdocs\New folder\pengadaan-barang\database\migrations\2021_12_30_234451_add_estimasi_to_transaksis.php on line 7