If you are seeing crashing, 

  • go to the iPhone Apple Watch app, select Blumoo, toggle off the two options
  • make sure the Blumoo app is off of your watch
  • toggle the two options in the iPhone Apple Watch app > Blumoo back on

Other things to note:
  • Make sure that push notifications are turned on for the Blumoo app (settings > Blumoo > notifications