A PHP Error was encountered

Severity: Warning

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

Filename: front/group_view.php

Line Number: 61

Backtrace:

File: /home/roto/public_html/app/views/front/group_view.php
Line: 61
Function: _error_handler

File: /home/roto/public_html/app/controllers/Products.php
Line: 39
Function: view

File: /home/roto/public_html/index.php
Line: 335
Function: require_once