A PHP Error was encountered

Severity: Notice

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

Filename: views/blog_details.php

Line Number: 21

Backtrace:

File: /home2/zasdermal/public_html/application/views/blog_details.php
Line: 21
Function: _error_handler

File: /home2/zasdermal/public_html/application/controllers/Welcome.php
Line: 410
Function: view

File: /home2/zasdermal/public_html/index.php
Line: 315
Function: require_once