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ASP-MVC2, EF4 and POCO generator error

I'm developing application with ASP.MVC2 & EF4 and some time ago i've interested in POCO and tried to applay it to my project.

I've found template to generate code on VisualStudioGallery, but it's not working. Installation was successful, but after choosing template to generate code, i've got error "Object reference not set to an instance of an object"...

First of all... how to generate POCO from .edmx in VS2010 ultimate, ASP.MVC2, EF4 (db = Oracle)?

And second question is... Is POCO better than classes genrated for edmx model (those which inherits from EntityObject)??

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