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Topic Title: TIL0524: Root class cannot be instantiated somewhere.
Topic Summary: TIL0524: Root class cannot be instantiated somewhere.
Created On: 22-Feb-2005 15:00
Status: Read Only
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Answer This question was answered by Gary Ross, on Friday, March 11, 2005 4:46 PM

Answer:
Whoops - I lied - My Build Root was not in a composition relationship with "The Universe". The Build Root class and an External Class both appeared as Parts in a Structure diagram under the Active class called Universe, but they were not related to Universe by Composition relationships.
 22-Feb-2005 15:00
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Gary Ross

Posts: 3
Joined: 15-Feb-2005

Who can help me figure out how to resolve this problem reported by the Model Verifier during the Generate phase of Building a model for verification?

To put the question another way, who can tell me what must be present in a model for the Verfier to be able to instantiate a Root Class?

Thanks in advance,
Blake
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 23-Feb-2005 14:52
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Gary Ross

Posts: 3
Joined: 15-Feb-2005

I have gotten past this. I think one of two things fixed it, either 1) Because my "Build Root" is a component (composition relationship) of a class representing the universe, and that class was not an active class; I made that containg class an Active class. 2) I also ensured that there is a state machine specified for each and every Active class in the entire model. One of these two actions made the error reports go away and enabled me to move on to my next problems.
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 23-Feb-2005 16:34
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Gary Ross

Posts: 3
Joined: 15-Feb-2005

Answer Answer
Whoops - I lied - My Build Root was not in a composition relationship with "The Universe". The Build Root class and an External Class both appeared as Parts in a Structure diagram under the Active class called Universe, but they were not related to Universe by Composition relationships.
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