My Channels application is encountering an error code, what does this mean? Ben Bullock May 08, 2019 15:01 Updated Follow You can read about our error codes and what they mean in our documentation. Have more questions? Submit a request Facebook Twitter LinkedIn Related articles I receive "Invalid signature: Expected HMAC SHA256" error – what is that? What ports do I need to open in my Firewall to allow Channels to connect?