A PHP Error was encountered

Severity: Notice

Message: Undefined index: ref

Filename: libraries/Tracking.php

Line Number: 26

Backtrace:

File: /var/www/html/application/libraries/Tracking.php
Line: 26
Function: _error_handler

File: /var/www/html/application/libraries/Tracking.php
Line: 75
Function: track

File: /var/www/html/application/controllers/Track.php
Line: 15
Function: setTracking

File: /var/www/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 /var/www/html/system/core/Exceptions.php:272)

Filename: core/Common.php

Line Number: 573

Backtrace:

An uncaught Exception was encountered

Type: Error

Message: Call to undefined function geoip_record_by_name()

Filename: /var/www/html/application/libraries/Tracking.php

Line Number: 29

Backtrace:

File: /var/www/html/application/libraries/Tracking.php
Line: 75
Function: track

File: /var/www/html/application/controllers/Track.php
Line: 15
Function: setTracking

File: /var/www/html/index.php
Line: 315
Function: require_once