hope to learn auto it...

hey guys today I started to learn auto it because it looks nice and its very intresting.

But after a smal time of writing and testing i get an error and dont knw how to fix because in my opinion ther isnt an error in the text pls help to find my mistake:

code (just a part):

Do
$Ladepixel = PixelGetColor(960,337)
Sleep(10000)
If $Starttest="7697506" Then
    MouseClick ("left", 1200,900)
    ElseIf MouseClick ("left", 1400,70)


If $Starttest="7697506" Then
    MouseClick ("left", 1100,900)
    ElseIf MouseClick ("left", 1400,70)



Until $Ladepixel ="4594197"

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I think:
    check colour "$Starttest" if its "7697506" klick on the start button

    if not choose option 2(elseif)

    check colour again if its "7697506" klick on the start button

    if not choose option 1 again(elseif)

do this until $Ladepixel= "4594197" (says that the programm is loading)

whats wrong with my code i cant fix it pls help Error message:

"Until with no matching do statement"

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sorry if im in a wrong treat this is my first post and my english is not very well...