Good morning,
Sometimes ago I created a post in this forum about the use of the "expert function" SQL in the configuration of SWE reports.
I have managed to solve many problems but not this one.
I need to insert the "CLASS" attribute of the manufacturer in a "manufacturer part" report.

Especially:

                                                                         Attribute Class of Manufacturer

I tried to look for it in this view but I didn't find it:

This is the type of report:

      Any ideas?