[HELP] Bad argument

[Ekko]

Hello i need help in this script pls , problem 

WARNING: anno\main.lua:971: Bad argument @ 'dxCreateTexture' [Expected elemant at argument 1, got boolean]

WARNING: anno\main.lua:972: Bad argument @ 'dxConvertPixels' [Expected elemant at argument 1, got boolean]

this is a part of the script  

addEvent("onTakeScreen", true)
addEventHandler("onTakeScreen", root, function(pixels)

	PlayerTexture = dxCreateTexture(pixels)
	PlayerPixels = dxConvertPixels(pixels, "png")
	AddScreenLabel:setEnabled(true)
	AddScreenLabel:setText("To take a photo")
end)