A PHP Error was encountered

Severity: Notice

Message: Undefined variable: data

Filename: controllers/Indexcontroller.php

Line Number: 4025

Backtrace:

File: /var/www/html/application/controllers/Indexcontroller.php
Line: 4025
Function: _error_handler

File: /var/www/html/index.php
Line: 317
Function: require_once