A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home4/totarf2b/public_html/application/third_party/PHPExcel/Shared/String.php:529)

Filename: core/Common.php

Line Number: 571

Backtrace:

File: /home4/totarf2b/public_html/application/controllers/Error404.php
Line: 13
Function: set_status_header

File: /home4/totarf2b/public_html/index.php
Line: 315
Function: require_once