A PHP Error was encountered

Severity: Notice

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

Filename: controllers/Client.php

Line Number: 43

Backtrace:

File: /var/www/sos.ku.edu.np/public_html/application/controllers/Client.php
Line: 43
Function: _error_handler

File: /var/www/sos.ku.edu.np/public_html/application/controllers/Client.php
Line: 63
Function: load_view

File: /var/www/sos.ku.edu.np/public_html/index.php
Line: 315
Function: require_once