I’ve noticed and it seems random.
Sometimes (not all of the time) after my guardian does leap of faith, or is knocked back, knocked down, jumps down (from a wall or ledge), hit with AOE, all skills become unresponsive & my character can’t move. If I press, or click a skill it blinks, and only will actually activate after I dodge (and dodge is the only thing I can do). After I started complaining about it in guild, a lot of other people have been experiencing this as well. It’s only been within the last few months this has started happening.
I tried to search the forums but I didn’t find anything so I’m not sure if it’s a known bug, or if others have this issue too.
You probably thought you saw something in the sky other than Venus, but I assure you, it was Venus.