Hi Francesco,
it looks like, you are in design view, right now,
Pls, change to structure mode you can refer from the screenshot below,
and select the data source of the data view to context, and the error should go away,
Let me know, if you have any issues,
Hope it helps!!
Hi Francesco,
Please click the error code of CE0488 to explain that. It mean of dataview didn’t configure any entity.
Peeradech W.