[solved]Getting rid of "Drop here to remove item"

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Hi,

I have a problem with my GUI. After adding a device, I see a “Drop here to remove item” on the main screen, but no devices or values. How can I remove this red warning?

Regards
Stefan

hey stefan,

which browser do you use?
did you try another browser? cleared cache?

Appears in Firefox and Edge. I guess it’s a database error.
In Edge I see the following message:

OK, I’ve removed the “template” setting for one device, now the error is gone.