HelpHow to fix this Recoil Reducer AHK script?

#NoEnv
#InstallKeybdHook
#InstallMouseHook

~LButton::  ; while holding Left mouse button, usually fire
loop ; preform this and loop it while the fire button is held
{
GetKeyState,updn, LButton, P ; check to see if its down
if updn = U ; if its not down
break ; break the loop 
MouseClick, left,,, 2, 0, D ; if the loop isnt broken this
MouseClick, left,,, 1, 0, U ; virtually send 2 downclicks then 1 up very fast
DllCall("mouse_event", uint, 1, int, 0, int, 1, uint, 0, int, 1) ; on the down click move the mouse position this much
}
F6::Suspend

Z:: Hotkey, $LButton, Toggle
LButton::
Loop
{
SetMouseDelay 80
Click
If (GetKeyState("LButton","P")=0)
Break
}