I found a new occurence of the same type of problem in ScreenCapture, but slightly different.
It does get an Array, however does not have as many elements as expected :
Line 64 (File "c:Progam Files(x86)AutoIt3IncludeScreenCapture.au3"):
_WinAPI DeleteObject($aIcon[4])
_WinAPI DeleteObject($aIcon[^ ERROR
Error: Subscript used on non-accassible variable
I am running version 3.3.12.0 which already includes a capture clause :
If Not @error And $aCursor[1] Then
But it did not result in a 5+ element array
It happens to me randomly.