This issue appeared in beta capsule 2.0s, and has been fixed in the official release. Please update your firmware :)
Sometimes a member of the group will not listen to the others and repeatedly make them all do what it wants, even when asked to do otherwise. This will get way more reliable and consistent.
- Keep trying, try pressing the button on other lights.
- Start with simple/easy button presses until it starts behaving.
- Don’t let the naughty one get its way!