A PHP Error was encountered

Severity: Notice

Message: iconv() [function.iconv]: Detected an illegal character in input string

Filename: controllers/model.php

Line Number: 146

Backtrace:

File: D:\wwwroot\smwiko.cn\application\controllers\model.php
Line: 146
Function: iconv

File: D:\wwwroot\smwiko.cn\index.php
Line: 317
Function: require_once