ClassNotFoundException

[ssoaresp]

Hi, trying to install this module in 1.7.8.7 but it just doesn't work any help please:

Symfony\Component\Debug\Exception\ClassNotFoundException:
Attempted to load class "rulesController" from the global namespace.
Did you forget a "use" statement?

at classes/controller/Controller.php:233
at ControllerCore::getController('rulesController')
(classes/Dispatcher.php:510)
at DispatcherCore->dispatch()
(stqgvsfspbe3580m/index.php:93)