A PHP Error was encountered

Severity: 8192

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

Filename: controllers/Media.php

Line Number: 126

Backtrace:

File: /home2/plussit1/public_html/application/controllers/Media.php
Line: 126
Function: explode

File: /home2/plussit1/public_html/index.php
Line: 315
Function: require_once

Error: Missing required input parameters