A PHP Error was encountered

Severity: 8192

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

Filename: main/country.php

Line Number: 46

Backtrace:

File: /home/islam163/public_html/application/views/main/country.php
Line: 46
Function: urlencode

File: /home/islam163/public_html/application/controllers/Main.php
Line: 378
Function: view

File: /home/islam163/public_html/index.php
Line: 281
Function: require_once