Can't use "Notify" and "NotifyAll" - LUA ERROR



GAMEMODE:NotifyAll( 0, 5, "Cow shit is (-"..t.shitvalue.."%)" )




 attempt to call method 'Notify' (a nil value) 
 attempt to call method 'NotifyAll' (a nil value)


Why?

-snip, meant to only post in the already started post-