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: 273

Backtrace:

File: /home/u850744p9l/domains/10line.az/private_html/application/helpers/custom_helper.php
Line: 273
Function: _error_handler

File: /home/u850744p9l/domains/10line.az/private_html/application/views/partials/_modals.php
Line: 59
Function: old

File: /home/u850744p9l/domains/10line.az/private_html/application/views/partials/_header.php
Line: 579
Function: view

File: /home/u850744p9l/domains/10line.az/private_html/application/controllers/Auth.php
Line: 241
Function: view

File: /home/u850744p9l/domains/10line.az/private_html/index.php
Line: 315
Function: require_once