History graph of entities

1st of all I’m still a newbie. Did I something wrong or was it an update? In my now 2 weeks with HA I experienced that with clicking a value of an entitiy I can choose to show “more details” which brings up nice graphs with the history e.g. temperature. But now I’m missing this feature …hassio history
Can anybody help me out?

That does look very strange. Did you choose that friendly name too ? It looks system generated.

One of my temperature sensors looks like this:-

Solved! My fault, while trying to get the electricity counter running I deleted obviously some lines from the configuration.yaml which leads to a disabled history integration. Thanks @Rofo that you tried to help me out :slight_smile: