A PHP Error was encountered

Severity: Notice

Message: Undefined variable: courseid

Filename: views/free_study_material.php

Line Number: 178

Backtrace:

File: /home/lecturedekho/public_html/application/views/free_study_material.php
Line: 178
Function: _error_handler

File: /home/lecturedekho/public_html/application/controllers/Product.php
Line: 1095
Function: view

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