A PHP Error was encountered

Severity: Warning

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

Filename: a2z/servicesingle.php

Line Number: 20

Backtrace:

File: /home/puirp96t549n/public_html/a2zithub.org/training/application/views/a2z/servicesingle.php
Line: 20
Function: _error_handler

File: /home/puirp96t549n/public_html/a2zithub.org/training/application/controllers/A2z.php
Line: 81
Function: view

File: /home/puirp96t549n/public_html/a2zithub.org/training/application/controllers/A2z.php
Line: 155
Function: ov

File: /home/puirp96t549n/public_html/a2zithub.org/training/index.php
Line: 315
Function: require_once