A PHP Error was encountered

Severity: Warning

Message: Undefined array key "search_val"

Filename: controllers/Board.php

Line Number: 85

Backtrace:

File: /var/www/html/eduspace/application/controllers/Board.php
Line: 85
Function: _error_handler

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