How come my team gold advantage graph is missing??

2 40-50 minute ranked matches around the same time 3 days ago. I can't look at my team gold advantage graph, but in the next few ones it shows up. A 20-minute normal draft game played yesterday and it doesn't show up, save for the match before it; I can definitely see the graph on that one. Just a little bit ago, on a 52-minute game, and it doesn't show up. Any advice on how to fix this?