i lost 100m xp

[FARISDESTROYER]

i was in op skyblock afking on my island when someone in chat said everyone do /warp fps so i had 100m xp on me and did /xpbottle and put it in my pv and went to fight in fps 1 hour later im trying to buy a sword so i tell him i can offer 65m xp he says yes and i go to grab my xp and its not there i searched all 10 of my player vaults and all the chests on my island 3 times and could not find it.
it would be great if staff or people helped.