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Did you set your base_url in ./application/config/app.php

Did you set your paths in ./application/config/paths.php

In XAMPP and phpStorm I have to map the public directory or it shows errors.

yes I set the baseurl like this

PHP Code:

$baseURL = 'http://ci4.dev/'; 


Don't understand about path. I saw there is a public directory which already set to 

PHP Code:

public $publicDirectory = 'public'; 


 I am using wamp and root set to 'public' directory. Server name in virtual host is 'ci4.dev' and path set to 'c:/wamp64/www/ci4/public'