A PHP Error was encountered

[KING-ENGMOATH]

Deprecated: Optional parameter $level declared before required parameter $message is implicitly treated as a required parameter in C:\xampp\htdocs\exclusiveunlock\system\core\Common.php on line 350
A PHP Error was encountered
Severity: 8192

Message: Optional parameter $level declared before required parameter $msg is implicitly treated as a required parameter

Filename: libraries/Log.php

Line Number: 72

Deprecated: Optional parameter $level declared before required parameter $msg is implicitly treated as a required parameter in C:\xampp\htdocs\exclusiveunlock\system\libraries\Log.php on line 72

Fatal error: Cannot declare class CI_Log, because the name is already in use in C:\xampp\htdocs\exclusiveunlock\system\libraries\Log.php on line 27