Disconnecting from SB, Rivals & Rush
Ever since the update, I am unable to complete any game mode besides Champions. Here are what I have noted from my experiences: SB is a hit or miss on whether the game is completed. Hard to complet...
Ideas
It sounds like the recent update introduced bugs in SB, Rivals, and Rush that are preventing proper completion. The best approach is to report these issues through the official support channel with screenshots or examples so the developers can prioritize fixes.