You need to update the driver and the app. Then do a save preferences on any device. This will update all devices if you have the current version. That may correct your problem. The issue is (1) not updating the app in sync with the driver and (2) updating from such an early version.
Link to the instructions can be found at:
[RELEASE] TP-Link/Kasa Plug, Switch, and Bulb integration - Developers / Code Share - Hubitat