A PHP Error was encountered

Severity: Notice

Message: file_get_contents(): read of 8192 bytes failed with errno=21 Is a directory

Filename: controllers/Documents.php

Line Number: 40

Backtrace:

File: /home/rad/public_html/application/modules/documents/controllers/Documents.php
Line: 40
Function: file_get_contents

File: /home/rad/public_html/index.php
Line: 319
Function: require_once