I'm currently unable to use the 'Try it out' panel in any of my assistant's skills (it presents a 'Error: unable to send message' little dialog on the top right corner of the screen. Are others seeing the same? I will wait a few more minutes to see if it resolves on its own. Otherwise I'll have to create a ticket. BTW, I wish there was another, more interactive channel as we used to have in the past (the Watson Slack channels) to share this type of communications with other community members.
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Patricia Goldweic
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#WatsonAssistant