A PHP Error was encountered

Severity: 8192

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

Filename: helpers/multi_language_helper.php

Line Number: 97

Backtrace:

File: /var/www/Academy/application/helpers/multi_language_helper.php
Line: 97
Function: preg_replace

File: /var/www/Academy/application/views/frontend/default-new/course_page.php
Line: 194
Function: get_phrase

File: /var/www/Academy/application/views/frontend/default-new/index.php
Line: 58
Function: include

File: /var/www/Academy/application/controllers/Home.php
Line: 292
Function: view

File: /var/www/Academy/index.php
Line: 292
Function: require_once