Cut list properties problem

Good morning everyone is a new user,
I use solidworks 2018
I can't understand why in the cutting list of a multi-body sheet part some parts have only 2 properties and not the whole complete list by default.

I started from a solid from which I converted faces into sheet metal. It seems strange to me that some sheets created with the same procedure have different properties (for example "piastra 4" and "piastra 5")

SolidworksWeldments