Killed on successful exfill PVE vault breaker after 2 vaults

we Xfilled on the final exfill and when the timer hit 0 we all died and lost all the loot 
here is a clip of it and i have a screenshot of my lost vault indexs i was carrying https://medal.tv/games/marathon/clips/na9d2NeyLREA9WGDL?invite=cr-MSx1OVEsODM5NjQ3NDg