I running HA 0.106.0, under Developer tools if see this:
When I click on Go to the Lovelace UI, I get the normal screen…
But when I click on the Overview button, I see:
How can I get the Overview button to show the Lovelace UI?
Click on Remove states (DEPRECATED) as default page on this device. This will make lovelace the default when you click on Overview. Please be informed that you need to do this for all devices from which you access Home Assistant.
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Yep, that’s it 
thnx