Lost 800000 on skyblock

[PetarGamerZ]

I lost 800000 Coins while playing cube craft skyblock.I was selling melons and rotten flesh and got 800000 coins then i tried to go to the hub in skyblock.When i tried to teleport it said in the chat:¸¸Unexpected?Report this (g6j05):An error occurred loading your data Connectu+ing you to lobby...¸¸Then i got teleported to the lobby when you join Cubecraft.When i joined skyblock again i lost 800000 and lost all the melons and rotten flesh.