Activity dropped because this channel is not enabled for this bot
<p>I tried to chat with my bot via Teams. It worked at the beginning. After a couple of tries, playing around with the code and getting to know it.
The bot didn't respond in Teams anymore.
I tested with the Bot Framework Emulator, localhost and with ngrok remote on my WebApi. It worked fine. Then I tested the WebClient as a Bot Channel, there it worked as well.
At first I got the Error Message "Activity dropped because this channel is not enabled for this bot", now I don't get any errors anymore but the bot is still not responding.</p>

<p>Did anybody experienced this kind of issue?</p>