Incorrect HiddenServiceDir ownership cause Tor to die
If you use an existing HiddenServiceDir for a new hidden-service but it has incorrect ownership, Tor dies with "set_options(): Bug: Acting on config options left us in a broken state. Dying."
If you use an existing HiddenServiceDir for a new hidden-service but it has incorrect ownership, Tor dies with "set_options(): Bug: Acting on config options left us in a broken state. Dying."