yes, this happened to me.
I quick search on the z2m website and looking at my HA entities, I can see there is a new sensor (for my Hue motion sensors, at least) that needs to be enabled (and the old one deleted).
The difference for my Hue sensors is this;
old: sensor.<name>_illuminance_lux
new: sensor.<name>_illuminance
…i.e. remove _lux from the end
Was an easy fix once I worked this out
edit: if you go to your Z2M web frontend, you can also easily see the name of the new sensor. Here is mine:
edit: Here is the Z2M breaking changes announcement where illuminance_lux to illuminance is documented.
edit: here is the specific part:

(sorry for all the edits)
Last one (I promise). This was a big update for Z2m from 1.x to 2.x - hence all the breaking changes.
