A PHP Error was encountered

Severity: Notice

Message: Undefined variable: val

Filename: views/teach.php

Line Number: 2689

Backtrace:

File: /var/www/lightuptrain/application/views/teach.php
Line: 2689
Function: _error_handler

File: /var/www/lightuptrain/application/core/MY_Controller.php
Line: 93
Function: view

File: /var/www/lightuptrain/application/controllers/Index.php
Line: 55
Function: template

File: /var/www/lightuptrain/index.php
Line: 316
Function: require_once