A PHP Error was encountered

Severity: Warning

Message: Trying to access array offset on value of type null

Filename: frontend/kelas_view.php

Line Number: 305

Backtrace:

File: /home/smartworkindonesia/domains/lms.smartworkindonesia.com/public_html/application/views/frontend/kelas_view.php
Line: 305
Function: _error_handler

File: /home/smartworkindonesia/domains/lms.smartworkindonesia.com/public_html/application/third_party/MX/Loader.php
Line: 330
Function: include

File: /home/smartworkindonesia/domains/lms.smartworkindonesia.com/public_html/application/third_party/MX/Loader.php
Line: 280
Function: _ci_load

File: /home/smartworkindonesia/domains/lms.smartworkindonesia.com/public_html/application/core/MT_Controller.php
Line: 20
Function: view

File: /home/smartworkindonesia/domains/lms.smartworkindonesia.com/public_html/application/controllers/Frontend.php
Line: 249
Function: render_page

File: /home/smartworkindonesia/domains/lms.smartworkindonesia.com/public_html/index.php
Line: 316
Function: require_once