A PHP Error was encountered

Severity: Notice

Message: Constant isSpider already defined

Filename: controllers/Proxy.php

Line Number: 41

Backtrace:

File: /home/wwwroot/thiefNew/application/controllers/Proxy.php
Line: 41
Function: define

File: /home/wwwroot/thiefNew/application/controllers/Proxy.php
Line: 47
Function: spider

File: /home/wwwroot/thiefNew/application/controllers/Proxy.php
Line: 8
Function: u

File: /home/wwwroot/thiefNew/index.php
Line: 317
Function: require_once