Lost statistics–Halowaypoint-after update

Games Halo 5: Guardians
1

Hi, has anybody the same problem as I do? I had K/D ratio 0,925 2 days back, and after 6-8 warzone games, I got 0,591 WTF! It happened after the update. Whats wrong?

https://www.halowaypoint.com/en-us/players/ice3437