Redux Authentication 2 Beta Installation problem

[eluser]ideogroup[/eluser]
Hi,

I’m using the Redux Authentication 2 Beta, I've this error during installation:

A PHP Error was encountered

Severity: Notice

Message: Undefined property: Welcome::$redux_auth

Filename: controllers/welcome.php

Line Number: 187

Fatal error: Call to a member function logged_in() on a non-object in system\application\controllers\welcome.php on line 187

Could you help me?

Thanks
Thomas