Can't use mouse in Gmod!

This has been happening for about a week now. Every time I play Garry’s Mod in single player or multi-player I cant left-click. I am stuck with a physgun the entire time. I have deleted my garrysmod folder and re-installed Garry’s Mod. Any ideas on how to fix this? And it’s not the computer, it happens on my other computer also.

Wow,ummm Try deleting ALL Addons, If it doesn’t work still Try Deleting all Lua Files you have made for this, If it still isn’t working Try contacting the Steam community.

I have tried deleting everything in my garrysmod/garrysmod folder. Problem is still there.

Well, Contact the Steam Community Sorry

Found the problem. My key settings for my primary fire was clear somehow.

Yeah, it happens. Generally immature admins find it funny to unbind player’s keybinds

For players with the same problem, Type this in console:

bind mouse1 attack