I want to use ATLWTracer example, but when I load Model Weaver using
wizard the Class2Relational-WithWTracer.ecore file is empty. This issue
donŽt happen with Keys2Nested_AMW example.
The documentation said that I must load mw_base_extension.km3, but itŽs
really necessary or I could use TraceabilityExtension.km3 only.