What you were expecting to happen, and what actually happened?
I won the PvP battle and expected a victory screen.
I got error: http://imgur.com/O81kH87
Had to quit application, I use Steam Client.
What are the steps to make it happen again?
I don’t know.
Do you have any screenshots or video you want to share with us so we can see the problem? Attach them to your post!
I already lost 2x PvP rewards (Trophies, Tier, Glory, Gold) due to this. Had to force-quit the app (iPhone) both times. 2nd time a file got corrupted and I had to reinstall the app.