A PHP Error was encountered

Severity: Notice

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

Filename: advert/single.php

Line Number: 16

Backtrace:

File: /hermes/walnacweb04/walnacweb04am/b2756/pow.jamalm/htdocs/fortuna.az/application/views/frontend/page/advert/single.php
Line: 16
Function: _error_handler

File: /hermes/walnacweb04/walnacweb04am/b2756/pow.jamalm/htdocs/fortuna.az/application/helpers/custom_helper.php
Line: 31
Function: view

File: /hermes/walnacweb04/walnacweb04am/b2756/pow.jamalm/htdocs/fortuna.az/application/controllers/Advert.php
Line: 637
Function: loadFrontEnd

File: /hermes/walnacweb04/walnacweb04am/b2756/pow.jamalm/htdocs/fortuna.az/index.php
Line: 316
Function: require_once