Strange error when updating an item file

[Dim (Angelos)]

I think this is related:

@sjka

Having had a close look into this, I can confirm that the warning - as annoying as it is - was completely harmless. A fix is on the way, of course.

Ref: Warnings when updating an item file with tags · Issue #5670 · eclipse-archived/smarthome · GitHub

Also: Help with a few item warnings OH 2.3 - #9 by Kai