How do I open vote crate things?

I’m new and I dont know how to open the vote things. I know you need to go to spawn, but my inventory is gone whenever I go to spawn and it says I need a vote key in my hand to open them, but I can’t bring them to spawn.

Which server are you playing on? Thinking it’s maybe the Skyblock server? If so you need to be in either the /cave /skyblock or /oneblock worlds. Each world has a spawn with Vote Crates. You can go to /cave spawn or /oneblock spawn or /skyblock spawn

Also, you need to vote while in the world you are playing as the keys are delivered to that specific world. Each world has unique inventory.