Talk:Winter 2015 Event/@comment-96.226.197.243-20151216034718/@comment-25046890-20151216195637

Appparently there is a glitch if you upgrade the building while on the challenge, saw it on the EA forum here. I would contact EA directly at http://help.ea.com/. If the numbers are too big, you might be able to work your way up from the negative to 5/5. Just don't upgrade the building....