After the last Android App update the activity zones are broken. If you set up the zones , close the app and then open it again, the zones are deleted.
App version is: 2.1.0_698(EU)
Homebase2 Firmware: Sys 2.1.2.2h / Sub 1.3.0.9
Cam 2c Firmwares: Sys 1.6.7 / Sub 1.0.70-20200706
Jens