A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 0

Filename: controllers/Pregrados.php

Line Number: 104

Backtrace:

File: /var/www/html/website/application/controllers/Pregrados.php
Line: 104
Function: _error_handler

File: /var/www/html/website/application/controllers/Pregrados.php
Line: 12
Function: pregrado

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