Fatal error: Uncaught Error: Class "Monolog\Formatter\JsonFormatter" not found in /usr/www/unityweb/public/hms/vendor/laravel/framework/src/Illuminate/Log/Formatters/JsonFormatter.php:10 Stack trace: #0 {main} thrown in /usr/www/unityweb/public/hms/vendor/laravel/framework/src/Illuminate/Log/Formatters/JsonFormatter.php on line 10