Missing Rewards from Legendary Hunt Challenges

i bought the battlepass and reached the tier 15 bp , in the lobby it says that i've done the wraith night terror challenge but when i click to claim it it doesn't let me and i don't have it in the locker too can someone please help me out this has been happening to my G7 challenge too , i've been placed a lot of times in apex elite top 5 but didnt get the G7 skin and the night terror skin too!!!!!