Can you make sure you have all available updated to Tumult Hype? This was an issue in Tumult Hype 3, which has been resolved (the latest version is 3.5.1).
If you bought from the Mac App Store, you can update by these steps:
Open the App Store by going to the Apple menu and selecting App Store
Make sure you are signed in via the Store menu
Click the Updates tab at the top of the App Store window
If you have not already upgraded, it should be listed in the Updates section, and clicking the Update button will install the latest update for free.
If you purchased from our Tumult Store, you can update by these steps:
Open Tumult Hype
Choose the 'Hype > Check for Updates...' menu
Install and relaunch when prompted.