FileHandler class not found, whenever i try to log something

Fatal error: Uncaught Error: Class 'CodeIgniter\Log\Handlers\FileHandler' not found in ....... /system/Log/Logger.php:366

I have just started a new project with CodeIgniter 4.0.4 and only configured the base url and set the environment do 'development'. Everything seems working fine except for the logging. I got the message above when i try to log something with the log_message function. I am not sure if i am doing something wrong. My environment is Apache on CentOS. Thanks.