As far as I know, there's no undo operation. If you pull a module slightly to the right, you'll see a (+), and you can insert a new module at that location. Be careful, since this may readjust some of the automatic connections; watch the input colors.
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As far as I know, there's no undo operation. If you pull a module slightly to the right, you'll see a (+), and you can insert a new module at that location. Be careful, since this may readjust some of the automatic connections; watch the input colors.