Cannot read property of undefined

[jmslln]

Hello!
Thank you for creating the iobroker Loxone adapter

I have it running nicely on a Pi4 but I notice in the iobroker logs the message:

loxone.0 | 2021-01-04 18:15:30.862 | error | (6948) Error while handling event UUID 11e92854-00c3-4ace-ffffcdef6a959222: TypeError: Cannot read property 'on' of undefined-- | -- | -- | --

which appears for various Virtual State blocks that are set to be used as digital inputs:

Is there anything you can point me to that will help me correct whatever is causing these errors?

many thanks

James
Loxone miniserver is 10.3.11.27
Iobroker is 4.1.11
Loxone adapter is Available version2.0.2Installed version:2.0.2