A PHP Error was encountered

Severity: Notice

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

Filename: html/journal-issue.php

Line Number: 104

Backtrace:

File: /home/publishers12/public_html/application/views/html/journal-issue.php
Line: 104
Function: _error_handler

File: /home/publishers12/public_html/application/controllers/Journals.php
Line: 332
Function: view

File: /home/publishers12/public_html/index.php
Line: 341
Function: require_once