cant complete new event 2nd day challenge

i was completing my quests on the NEW event but day 2 im 1TRILLION% Sure im done with that right? well WRONG for some reason although ive fired all i mean ALL Confetti canons but its not marked i dont know if im misssing a canon or 2 or WHAT???
please i want the eyeblossom cape so bad [first ever report] please see this and my account stuff to check if im missing something and if i am i watched a BILLION TUTORIALS ON HOW TO GET THAT CHALLENGE COMPLETE BUT I S.T.I.L.L CANT FIND THE ISSUE