How to resolve the error as “500 internal server error” in Bot Framework Channel Emulator?

Question

I am working on Bot framework technology, recently Microsoft announced the new version (V3) of bot. I was already developed bots using old version, now I am trying to upgrade m

Answer 1

ngrok solution did not work for me. I just commented the botAuthentication and then it worked for me locally.

  //[BotAuthentication]
    public class MessagesController : ApiController
    {