A PHP Error was encountered

Severity: Notice

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

Filename: frontend/view_gallery.php

Line Number: 75

Backtrace:

File: /home4/nbfgroup/public_html/test/application/views/frontend/view_gallery.php
Line: 75
Function: _error_handler

File: /home4/nbfgroup/public_html/test/application/controllers/Settings.php
Line: 723
Function: view

File: /home4/nbfgroup/public_html/test/index.php
Line: 292
Function: require_once