A PHP Error was encountered

Severity: Notice

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

Filename: foreground/details.php

Line Number: 37

Backtrace:

File: /var/www/html/application/views/foreground/details.php
Line: 37
Function: _error_handler

File: /var/www/html/application/controllers/Welcome.php
Line: 116
Function: view

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