A PHP Error was encountered

Severity: 8192

Message: explode(): Passing null to parameter #2 ($string) of type string is deprecated

Filename: Faculty/Gallery.php

Line Number: 100

Backtrace:

File: /var/www/html/application/views/Faculty/Gallery.php
Line: 100
Function: explode

File: /var/www/html/application/controllers/Academics.php
Line: 117
Function: view

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