A PHP Error was encountered

Severity: Notice

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

Filename: views/view_portfolio_detail.php

Line Number: 20

Backtrace:

File: /home/fnxburuc/public_html/application/views/view_portfolio_detail.php
Line: 20
Function: _error_handler

File: /home/fnxburuc/public_html/application/controllers/Portfolio.php
Line: 69
Function: view

File: /home/fnxburuc/public_html/index.php
Line: 315
Function: require_once