A PHP Error was encountered

Severity: 8192

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

Filename: controllers/Blog.php

Line Number: 174

Backtrace:

File: /home/kopj6635/public_html/pcb.mvitos/application/modules/frontend/controllers/Blog.php
Line: 174
Function: preg_match

File: /home/kopj6635/public_html/pcb.mvitos/application/third_party/MY_APPS/libraries/RestController.php
Line: 588
Function: search_get

File: /home/kopj6635/public_html/pcb.mvitos/index.php
Line: 315
Function: require_once