Hi
Strange enough i also face a similar issue IOS app version 5.31.0. Only change has been a recent App update and the issues facing the system downtime yesterday. I get the light icon showing as active only on 1 camera (i have 4 spotlight wired) the others are fine, i got into the settings for that camera and see the toggle switch for lights is active. I turn this off and the light icon goes away, then within a few minutes its back on. I dont get any errors and no issues with turning on and off its just that it wont stay off.
I have deleted the app and reinstalled and still the same, i have also tried another app on another device and still the same so not sure why it keeps coming back on when its not.