Check to see which Debug shows the ScaleAbsolute for you. (X, Y or Z)
Here is what it looks like in Debug01.

Here is what it looks like in Debug02.
(Scroll down till you see it in BodyPart10.)

Once you find it, click one of the ScaleAbsolute. (X,Y or Z)
Then click 'Edit' or 'Override' at the bottom of your Debug tab.

Change the numbers to desired height. Apply changes. That is all!