I run HASSIO with duckdns and encryption. I can access my home assistant with duckdns without problem.
I’ve been trying to link my Alexa by following the instruction here:
https://www.home-assistant.io/components/alexa.smart_home/
I follow the manual (not using home assistant cloud) procedure until the last step to enable link to home assistant from Alexa web. It always produces
I really don’t know how to solve this problem. Any suggestion would be really appreciated.