missing basic weapons

all my weapons (accept for grav gun, blue grav gun, camera, and tool) are missing, and i cant spawn any from my weapons tab, or any entities

can any one halp? pls?

The server runs ASSMod and has sbox_weapons set to 0.

it was single player, and i dont got that mod, and i tried setting sbox_weapons 1 but it said sbox_weapon (unknown command)