When running huginn in a docker container and using your run-of-the-mill nginx config file, you might run into this error when trying to login for the first time with the default credentials 1.
The change you wanted was rejected. Maybe you tried to change something you didn’t have access to.
This can easily fixed by adding the following line to the location block:
proxy_set_header X-Forwarded-Proto https;
Which by the way are