A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_USER_AGENT

Filename: libraries/Mylibrary.php

Line Number: 208

Backtrace:

File: /home/ukmwpscp/public_html/application/libraries/Mylibrary.php
Line: 208
Function: _error_handler

File: /home/ukmwpscp/public_html/application/controllers/News.php
Line: 19
Function: __construct

File: /home/ukmwpscp/public_html/index.php
Line: 315
Function: require_once