Steps to reproduce:
1. Start a multisport activity (for example, strength)
2. Pause and choose to continue to next activity
3. Choose HIIT
4. Before starting, open the first menu (HIIT type) and optionally select a timer or just go back (opening this menu is required)
5. Start the hiit activity
6. The watch will make a few noises indicating start, pause, start, pause, and will turn off the screen and crash the activity