I went to multiple structures in your mod and none of the chests had items in it

Tested with Forge & Fabric 1.20.4 on the newest version and could not reproduce.
Both jungle-temple and catacombs generated chests with loot.

This is a weird issue, as the LootTable for each Chest is stored in the structure's nbt file itself.

What mods and loaders are you using? Is there any suspicious log output?

I'll have to close this issue soon if you can't provide any further feedback.
I'd really appreciate your help though, because I want to prevent this from happening to more users.

Closing due to inactivity.
If the problem persists or new information can be provided, feel free to reopen this issue.