Davinci k20 on display fingerprint

Davinci k20 on display fingerprint
3.0 1

Device: redmi k20 (davinci)
Mokee version: mk90.0 20191120
Description: On display fingerprint is not recording or accepting fingerprints. When going to settings and adding fingerprint, the second page that say " touch the sensor" is not respoding to finger placement. And fingerprint can not be recoded.