I don’t know. That’s why I said you should change the formatting on the logger so it prints the full class name. I tried a search for any class by either of those names and couldn’t find them anywhere in the OH project repos.
If you are using the MQTT 2.5 M1 or later binding, you can prevent the error in the first place using MQTT 2.5 M1+ How to implement the equivalent to MQTT1 REGEX filters