Why can't I add a control in Mainstage?

I downloaded a patch for Mainstage 3 (and actually it's a whole concert). I wanted to add some controls to match my keyboard but it's not letting me. Any ideas? I can alter what's there but not add a new one. Thanks

Posted on Jul 20, 2017 3:07 PM

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Why can't I add a control in Mainstage?

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