Impact Twin - no device found w/High Sierra 10.13.4

Hi - ever since latest OS X update the impact twin is not being detected by the TC near control panel nor Logic.  It is however showing up in System report:

ImpactTwin:

  Manufacturer:    TC Electronic
  Model:    0x27
  GUID:    0x1660409C02563
  Maximum Speed:    Up to 400 Mb/sec
  Connection Speed:    Up to 400 Mb/sec
  Sub-units:
ImpactTwin Unit:
  Unit Software Version:    0x1
  Unit Spec ID:    0x166

I just upgraded over the weekend.  Are others experiencing this?

thanks