In the alexa developer console, I'm unable to test my skill by using the invocation. Alexa always returns: Hmmm, I'm not sure.
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Does it work in dev console? Where it doesn't work? If you changed your invocation name, have you rebuilt your model? If you are trying to run skill on the device, are you sure that you are using the same account, that the skill is in? There can be many issues, to narrow down, what is wrong, give me more context.
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