Deposit items All Backpacks

[talkie]

Hello, im playing on a OT server but i got deposit items in depo but he do only the last backpack and i got 4 backpacks of loot inside backpack
how can i fix it?

[Infernal Bolt]

Open all the backpacks before depositing.

[talkie]

but how i can open it all? is there a script or something?