A PHP Error was encountered

Severity: Notice

Message: Undefined variable: event_code

Filename: controllers/Preshow.php

Line Number: 1792

Backtrace:

File: /var/www/html/application/controllers/Preshow.php
Line: 1792
Function: _error_handler

File: /var/www/html/index.php
Line: 322
Function: require_once