showing php error with php version 8.1.3

[muralikodali]

i have php 8.1.3 version on my arch linux.i

i am getting following error.

2022/03/06 20:02:52 [error] 851#851: *213 FastCGI sent in stderr: "PHP message: PHP Deprecated:  Return type of CI_Session_database_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /web/html/Stikked/htdocs/system/libraries/Session/drivers/Session_database_driver.php on line 129" while reading response header from upstream, client: 192.168.1.11, server: , request: "GET /view/captcha?1646577172 HTTP/1.1", upstream: "fastcgi://unix:/var/run/php-fpm/php-fpm.sock:""