A PHP Error was encountered

Severity: Warning

Message: shell_exec() has been disabled for security reasons

Filename: controllers/Tracking.php

Line Number: 240

Backtrace:

File: /home/greathub/public_html/application/controllers/Tracking.php
Line: 240
Function: shell_exec

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

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/greathub/public_html/system/core/Exceptions.php:271)

Filename: controllers/Tracking.php

Line Number: 303

Backtrace:

File: /home/greathub/public_html/application/controllers/Tracking.php
Line: 303
Function: header

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