Same with several different browsers; Safari 14.1.2 (14611.3.10.1.7), Chrome 116.0.5845.187, Firefox 115.17.0esr, Chrome 130.0.6723.117, Safari 16.6.1 (16615.3.12.11.5, 16615)
OK. I can create a new Dashboard from scratch, and add a View, so the original poster’s fault is still a mystery.
Didn’t realise the Overview can’t be edited, because people in the past claim to have been able to edit it. I wonder what rules/variables/etc determine its content?
A dashboard (incl. overview) can be created as auto-generated based on some predefined rules like “entities per area” etc. Could be a good starting point for some beginners.