Instrument â€œnanoKEY CTRLâ€ sends to a MIDI port named â€œCTRLâ€ of MIDI interface â€œnanoKEYâ€ which no longer exists. I no longer connect this keyboard. But I can't find how to tell Logic that. I check the box "don't show again" to no avail. I uninstalled the Korg control but still no change.