A PHP Error was encountered

Severity: Notice

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

Filename: views/Detail_Publication_View.php

Line Number: 57

Backtrace:

File: /home/vmwktqfa/public_html/application/views/Detail_Publication_View.php
Line: 57
Function: _error_handler

File: /home/vmwktqfa/public_html/application/third_party/MX/Loader.php
Line: 363
Function: include

File: /home/vmwktqfa/public_html/application/third_party/MX/Loader.php
Line: 303
Function: _ci_load

File: /home/vmwktqfa/public_html/application/controllers/Home.php
Line: 40
Function: view

File: /home/vmwktqfa/public_html/index.php
Line: 316
Function: require_once