A PHP Error was encountered

Severity: Warning

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

Filename: elegant/courses_page.php

Line Number: 12

Backtrace:

File: /var/www/vhosts/modernenglish.com.tr/httpdocs/application/views/frontend/elegant/courses_page.php
Line: 12
Function: _error_handler

File: /var/www/vhosts/modernenglish.com.tr/httpdocs/application/views/frontend/elegant/index.php
Line: 30
Function: include

File: /var/www/vhosts/modernenglish.com.tr/httpdocs/application/controllers/Home.php
Line: 130
Function: view

File: /var/www/vhosts/modernenglish.com.tr/httpdocs/index.php
Line: 289
Function: require_once