What you were expecting to happen, and what actually happened?
Arcane deep reward 
What are the steps to make it happen again?
It has happened twice tonight with my other devices off. Only when invading. In both games my iPhone’s screen turned off.
Do you have any screenshots or video you want to share with us so we can see the problem? Attach them to your post!
Must be some server glitch. Happened to me as well tonight. About two hours ago.
Tacet
3
I have yet to see it happen, but someone on Steam was having conflicts with it:
