I can't send MIDI messages to my DAW on my Privia PX-350M. The audio from the piano to the DAW plays and records fine. I hooked the MIDI DIN plugs to another keyboard and it sent MIDI messages to the DAW just fine. So there's no issue with the DAW. I've also tried disconnecting the DIN plugs from the Privia and just going with the USB MIDI, but still no transmission. Has anyone else run into this problem?