recording from a pioneer djm700 to a lenovo using windows 10

Help! I cannot get it to work. error -9999 is what i’m getting…

The “Error -9999 Unanticipated host error” may indicate:

  • A lost connection to a USB audio device.
  • Permission for Audacity to access the recording device has not been granted.

If it was working and then stopped working, it is likely to be the former, in which case, power off the computer, check the USB connections and reboot.
If it has never worked, see: