A PHP Error was encountered

Severity: Notice

Message: Only variables should be passed by reference

Filename: common-part/header-top.php

Line Number: 24

Backtrace:

File: /var/www/vhosts/pukgonline.com/httpdocs/application/views/common-part/header-top.php
Line: 24
Function: _error_handler

File: /var/www/vhosts/pukgonline.com/httpdocs/application/views/about-us.php
Line: 12
Function: view

File: /var/www/vhosts/pukgonline.com/httpdocs/application/controllers/Welcome.php
Line: 137
Function: view

File: /var/www/vhosts/pukgonline.com/httpdocs/index.php
Line: 315
Function: require_once