Plants Vs Zombies GW2 Crazy Targets Frozen Timer

When I was doing Crazy Targets, the timer bugged and froze, and did not tick up past 0.16 seconds. I assumed the bug was just visual, but when I finished, it added that time to the leaderboard. Is there anything I can do about this as I want to have an honest time. Before this glitch occured, my timer was running at double speed. Has this happened to anyone else?