A PHP Error was encountered

Severity: 8192

Message: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: controllers/Static_host.php

Line Number: 16

Backtrace:

File: /fullpower/www/website-motionx/application/controllers/Static_host.php
Line: 16
Function: strtolower

File: /fullpower/www/website-motionx/index.php
Line: 315
Function: require_once