A PHP Error was encountered

Severity: Notice

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

Filename: atom/category.php

Line Number: 7

Backtrace:

File: /home/trainit/public_html/mtsn3cirebon.sch.id/application/views/template/atom/category.php
Line: 7
Function: _error_handler

File: /home/trainit/public_html/mtsn3cirebon.sch.id/application/controllers/Page.php
Line: 42
Function: view

File: /home/trainit/public_html/mtsn3cirebon.sch.id/index.php
Line: 292
Function: require_once