Player models disappear on traitors

I have a problem with my server. Whenever someone on my server is a traitor, their player model won’t show up. Obviously, this is a huge issue, because for anyone who has a player model, anyone can just instantly tell that they are a traitor. Even after they die, their dead body will not show the player model, and it will only come back once a new round starts. Does anyone have any idea how to fix this?
EDIT: I guess I should mention that this happens with all player models on all maps, and it happens to anyone with player models.

Got any lua errors?

The only error I get is
Lua JIT is DISABLED!

Do you have condebug enabled?

I enabled it recently, yes

And nothing showed up in there?