An uncaught Exception was encountered

Type: ArgumentCountError

Message: Too few arguments to function Student::open_classes(), 1 passed in /home/iczb6wss881e/dvdrive.co.uk/system/core/CodeIgniter.php on line 532 and at least 2 expected

Filename: /home/iczb6wss881e/dvdrive.co.uk/application/controllers/Student.php

Line Number: 501

Backtrace:

File: /home/iczb6wss881e/dvdrive.co.uk/index.php
Line: 315
Function: require_once