Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\database\migrations\2021_12_19_202317_fix_database_indexs.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\database\migrations\2021_12_19_202317_fix_database_indexs.php on line 20