JasperReports - Defining a parameter of a custom class

Question

I have a jar file containing a Bean class and integrated it already to the Jasper project like this:

I can see this class when I try to set a type for a parameter like:

I have also imported the package containing the parameter type class into the report as follows:

However, I'm still getting the following compilation error:

What am I missing? Appreciate any help. Thanks in advance.