Deprecated: session_set_save_handler(): Providing individual callbacks instead of an object implementing SessionHandlerInterface is deprecated in /whd10/www/lib/session.class.php on line 161 Deprecated: GuzzleHttp\Promise\queue(): Implicitly marking parameter $assign as nullable is deprecated, the explicit nullable type must be used instead in /whd10/www/plugin/aws/GuzzleHttp/Promise/functions.php on line 24 Deprecated: GuzzleHttp\Promise\each(): Implicitly marking parameter $onFulfilled as nullable is deprecated, the explicit nullable type must be used instead in /whd10/www/plugin/aws/GuzzleHttp/Promise/functions.php on line 260 Deprecated: GuzzleHttp\Promise\each(): Implicitly marking parameter $onRejected as nullable is deprecated, the explicit nullable type must be used instead in /whd10/www/plugin/aws/GuzzleHttp/Promise/functions.php on line 260 Deprecated: GuzzleHttp\Promise\each_limit(): Implicitly marking parameter $onFulfilled as nullable is deprecated, the explicit nullable type must be used instead in /whd10/www/plugin/aws/GuzzleHttp/Promise/functions.php on line 285 Deprecated: GuzzleHttp\Promise\each_limit(): Implicitly marking parameter $onRejected as nullable is deprecated, the explicit nullable type must be used instead in /whd10/www/plugin/aws/GuzzleHttp/Promise/functions.php on line 285 Deprecated: GuzzleHttp\Promise\each_limit_all(): Implicitly marking parameter $onFulfilled as nullable is deprecated, the explicit nullable type must be used instead in /whd10/www/plugin/aws/GuzzleHttp/Promise/functions.php on line 307

위와 같은 에러가 나는데 어떻게 해야 할까요?
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