A PHP Error was encountered

Severity: Notice

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

Filename: helpers/custom_helper.php

Line Number: 395

Backtrace:

File: /home/vallaki/public_html/blog/application/helpers/custom_helper.php
Line: 395
Function: _error_handler

File: /home/vallaki/public_html/blog/application/views/partials/_modals.php
Line: 43
Function: old

File: /home/vallaki/public_html/blog/application/views/partials/_header.php
Line: 159
Function: view

File: /home/vallaki/public_html/blog/application/controllers/Home_controller.php
Line: 343
Function: view

File: /home/vallaki/public_html/blog/application/controllers/Home_controller.php
Line: 263
Function: post

File: /home/vallaki/public_html/blog/index.php
Line: 315
Function: require_once