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Answers
Hi sureshku,
sorry for this strange error dialog. We've fixed this kind of error handling and it will be released soon.
In regard to your Exception: It seems like your process is using service connections (e.g. Dropbox, Twitter, Amazon, ...) and the connection itself is not working properly. You may want to test the specified connection via the menu entry 'Connections' > 'Manage Connections'. Select the used connection and then the corresponding test action.
Cheers,
Marcel