[SOLVED] Netamo error after upgrade to OpenHab 2.3

I just upgraded to OpenHab 2.3.
Now I get this error in the tail log:

2018-06-08 00:16:04.616 [WARN ] [ui.internal.items.ItemUIRegistryImpl] - Exception while formatting value '18' of item NetamoUdendRsModule_Temperature with format '%.1f %unit%': Conversion = 'u'

2018-06-08 00:16:04.634 [WARN ] [ui.internal.items.ItemUIRegistryImpl] - Exception while formatting value '25.3999996185302734375' of item NetamoIndendRsHjemme_Temperature with format '%.1f %unit%': Conversion = 'u'

I remeber reading something about formatting had some changes in openhab 2.3. But I can´t seem to find the thread.

Ahh think I´ve got it now. I had added %.1f %unit% to the label of the item, which seems to have changed in openhab 2.3

EDIT: Nope, still errors… Hmm.

Edit again…
I found the answer in the message: