Npc weapon help!

When i press The menu button ( Q ) to spawn a npc i click the down arrow that says
Npc Weapons [No Weapon /] then i click the down arrow and it just closes me out of the menu!!! It does this anytime i click a down arrow in the menu Any help Please!!!

I refuse to help anyone who PMs strangers to get them to come to their thread.

[editline]11:32AM[/editline]

The title of the PM was “Hey do you play garrys mod?”