A PHP Error was encountered

Severity: 8192

Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated

Filename: core/Lang.php

Line Number: 100

Backtrace:

File: /home/days/public_html/index/application/controllers/Welcome.php
Line: 33
Function: load

File: /home/days/public_html/index/index.php
Line: 315
Function: require_once