A PHP Error was encountered

Severity: 8192

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

Filename: database/DB_query_builder.php

Line Number: 955

Backtrace:

File: /home/jdih/public_html/application/models/Main_model.php
Line: 177
Function: like

File: /home/jdih/public_html/application/controllers/Publik.php
Line: 114
Function: lihatisitabellike

File: /home/jdih/public_html/index.php
Line: 319
Function: require_once