Fuel\Core\FuelException [Error]:!! I want to have write access to the path where I want to save the session data file

Configure https.conf or httpd-vhosts.conf and
When I type the URL, I get the following error.

Fuel\Core\FuelException [Error]:
The webserver doesn't have write access to the path to store the session data files.

COREPATH/classes/session/file.php@line341

The web server does not have write access to the path to store session data files! How can I "have write access to the path to store session data files"?

I looked it up online and found it difficult to access information that could lead to a resolution.

I am sorry to trouble you, but I would appreciate it if you could reply.
Thank you for your cooperation.