[protege-discussion] ProtegeOWL Saving Error

[berkan sesen]

When I try to save the ProtegeOWLTutorial exercise, I face the error page below:

"There were errors at performing operation.

1. Failed to save file null using Protege2Jena.
    Exception class java.lang.NullPointerException

See console and log for more details."

I have Protege 3.4 Beta version, anyone has any idea why I get this message?  Is this a bug?

Cheers,
Berkan




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