A PHP Error was encountered

Severity: Notice

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

Filename: main2/appeal.php

Line Number: 23

Backtrace:

File: /var/www/eee/domains/3e.world/public_html/application/views/main2/appeal.php
Line: 23
Function: _error_handler

File: /var/www/eee/domains/3e.world/public_html/application/controllers/Main2020.php
Line: 701
Function: view

File: /var/www/eee/domains/3e.world/public_html/index.php
Line: 315
Function: require_once