Severity: Notice
Message: Trying to access array offset on value of type null
Filename: controllers/Hills.php
Line Number: 54
Backtrace:
File: /var/www/html/pettalk/application/controllers/Hills.php
Line: 54
Function: _error_handler
File: /var/www/html/pettalk/index.php
Line: 315
Function: require_once
