Black Keys do not work

[zaque.mwhc]

On my UNO Synth Pro Desktop, as far as I can tell I can do everything else a synth does but the accidentals don't trigger at all. ever. Nary a black key played.

Am I doing something wrong?

[DC_IK]

You can contact the IK Support team via https://www.ikmultimedia.com/contact-support/hw.
They can look into this for you.