Missing Halo 5 Emblems from commendations packs

@Halo 343i Who do I contact about missing Halo 5 Emblems I’ve just mastered all breakout commendations and I’m missing the “METEOR” Emblem, also I mastered all arena commendations and did not get the “MAGNUM OPUS” Emblem if you need to see proof you can see my feed my xbox one gt is: Oh OMG SnowmaN