A PHP Error was encountered

Severity: Notice

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

Filename: pages/Puskesmas.php

Line Number: 19

Backtrace:

File: /var/www/html/sadata/application/controllers/pages/Puskesmas.php
Line: 19
Function: _error_handler

File: /var/www/html/sadata/index.php
Line: 315
Function: require_once