A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 1

Filename: controllers/Download.php

Line Number: 69

Backtrace:

File: /var/www/vhosts/ss2sea.com/httpdocs/application/controllers/Download.php
Line: 69
Function: _error_handler

File: /var/www/vhosts/ss2sea.com/httpdocs/index.php
Line: 292
Function: require_once