A PHP Error was encountered

Severity: Notice

Message: Undefined variable: school_class

Filename: school/school_course_table.php

Line Number: 10

Backtrace:

File: /data/web/baijiao/application/views/home/school/school_course_table.php
Line: 10
Function: _error_handler

File: /data/web/baijiao/application/controllers/Home.php
Line: 918
Function: view

File: /data/web/baijiao/index.php
Line: 318
Function: require_once