Food Sound Not Working!

So, whenever I eat the food on my server I get this:

Create Stream Failed error 41
Failed to load sound "vo\sandwicheat09.mp3", file probably missing from disk/repository

Why is this? I also tried to use my own sound and it didn’t work… Yes I used fastdl, resources.lua, ect.

Please help!

That sound is from Team Fortress 2, do you have it mounted on the server/client?

Ahhh I see, no I do not. So why would this make custom sounds not work?