@01 "it won't open" isn't very descriptive. What is it actually doing? Screenshots are very helpful to convey that info.
What is your nginx config? Where did you get your https certificates? Have you been following a guide, and if so, which one?
One of your community members tried to open an old thread with the following title: "Relay actuator sketch - auto off function"
But NodeBB refuses to serve this to the client.
I suspect the url-rewrite gets mocked up but nothing is reported in error/output log.
We're still running v0.7.0-dev something
EDIT: Upgrading to 0.8.2 seems to fix this.