Help pls with script error

Hello. Need help with the script. I'm not very good at programming, so I do not understand thingssome things. His task is to view ads and reset the Google Advertising ID in game Walking Dead Road To Survival.
I use MEmu emulator(4 gb memory + 4 CPU).

-- ========== Settings ================

Settings:setCompareDimension(true, 1280)

Settings:setScriptDimension(true, 1280)

Settings:set("MinSimilarity", 0.70)

-- ==========  main program ===========

local function video()

i=1

while i<15 do // cycle for watching video

if exists("watch.png") then

click("watch.png") // click on button to watch video

end

if exists("no1.jpg",20) then // if no ads at this try, find

wait(1)

else wait(20) // wait when ad end(around 40 sec)

end

       wait(1)

keyevent(111) // (press ESC to close ad)

if exists("ok1.jpg",20) // after close ad, we had dialog window and need press OK to go watch next

then

click("ok1.jpg")

else

wait(1)

end

i=i+1

end

end

local function rek()

wait(1)

startApp("com.google.android.gms") // start google setings

wait(3)

if exists("ads.png") then

click("ads.png")

end

wait(1)

if exists("reset.png") then // reset ads ID indificator

click("reset.png")

end

wait(1)

if exists("ok2.png") then

click("ok2.png")

end

wait(1)

startApp("com.scopely.headshot") // start our game

wait(10)

if exists("menu.jpg",60) then // go to Menu

click("menu.jpg",60)

existsClick("shop.jpg",60) // go to Shop

existsClick("get.jpg",60) // go to offers to watch video

else

wait(1) // if game just unfolded start watch video

end

end

while true do

video()

wait(1)

rek()

end


some errors




What i do wrong? Please help me.
Btw, in this game dont work click position( like click(600,600) ). Im use AnkuLua pro2