flexi auth - A user authentication library for CodeIgniter

[eluser]MrTomTom[/eluser]
Hi There,

I am trying to upgrade a system to CI3 however I cannot get FlexiAuth to work with it. When I try and load Flexi_auth I get the following error

Severity: Error
Message: Class 'CI_Flexi_auth_lite' not found
Filename: core/Common.php
Line Number: 185

I presume this is because it can't find Flexi_auth_lite in the libraries folder so it goes on to look for it in the system libraries? Does anyone have any idea how to fix this?