Event History Timeline All Black on live view on Android..

Hello,Android App Version 3.32.0the Event History Timeline is All Black on live view on the Android App on 3 phones and a tablet??It was fine yesterday, same wifi, no interference, wired doorbell, good signal.Live view ow freeze the app on all phone.reset the router, same.I hade to turn off the the Event History Timeline in order to had a live view working.Not sure what is going on?Thanks