Fatal error: Uncaught Error: Class "Monolog\Formatter\JsonFormatter" not found in C:\laragon\www\ujian-online\vendor\laravel\framework\src\Illuminate\Log\Formatters\JsonFormatter.php:10 Stack trace: #0 {main} thrown in C:\laragon\www\ujian-online\vendor\laravel\framework\src\Illuminate\Log\Formatters\JsonFormatter.php on line 10