A PHP Error was encountered

Severity: Notice

Message: Undefined index: submit

Filename: controllers/Media.php

Line Number: 20

Backtrace:

File: /var/www/vhosts/cse.com.bd/test.cse.com.bd/application/controllers/Media.php
Line: 20
Function: _error_handler

File: /var/www/vhosts/cse.com.bd/test.cse.com.bd/index.php
Line: 295
Function: require_once