A PHP Error was encountered

Severity: 8192

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

Filename: models/Base_m.php

Line Number: 77

Backtrace:

File: /home/softiliare/public_html/demo2/application/models/Base_m.php
Line: 77
Function: strtolower

File: /home/softiliare/public_html/demo2/application/controllers/Frontend.php
Line: 1615
Function: getCurPages

File: /home/softiliare/public_html/demo2/application/controllers/Frontend.php
Line: 1610
Function: _init

File: /home/softiliare/public_html/demo2/index.php
Line: 330
Function: require_once