The daily task today, "Sequence with two 180 Flip Tricks in Market Mile" is currently bugged, no matter how many 180 flip tricks you do in a sequence it doesn't register. I've asked a few others and ...
Ideas
No variation of 180 flip or varial kickflip or big flip is working toward the challenge, even after restarting the game.
Had the same issue yesterday. Sucks to lose out on the rewards.