Unable to be killed

Hi, me and my friend have been encountering an issue with GMod while we are playing on my LAN. We simply cannot be killed by ai, or falling or anything like that. Normally when I start offline I take damage, but seem to have god mode perpetually on when we start a LAN. Any console commands that will fix this?

Really makes it hard to enjoy fighting waves of enemies when you cant die.

Did you try sbox_godmode 0 and sbox_plpldamage 0 ?