NOT Resolve Fatal error: Class CI_Session_files_driver contains 1 abstract method

Hello,

That question is already posted but i am create thread once more because its still there when i am restart server its working fine but after 5 to 10 minutes again show the same message, and i update a new version system folder replace existance system folder.

Here is an error

Fatal error: Class CI_Session_files_driver contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (SessionHandlerInterface::close) inD:\Xampp\htdocs\system\libraries\Session\drivers\Session_files_driver.php on line 49
A PHP Error was encountered
Severity: Error
Message: Class CI_Session_files_driver contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (SessionHandlerInterface::close)
Filename: drivers/Session_files_driver.php
Line Number: 49
Backtrace:

Ok its that error on my local machine when i google it show the codeigniter forum same error as my location machine here is link https://forum.codeigniter.com/printthread.php?tid=64763.

Resolve this error i am stuck on that.

Gratitude,
iRfan