Unable to visuliasze on 3D Web Map Client

[Ferkelcode]

Hello,

I have got the MasterJSON as below:

{ "version": "1.0.0", "layername": "kml01", "fileextension": ".kmz", "displayform": "extruded", "minLodPixels": 120, "maxLodPixels": -1, "colnum": 1, "rownum": 1, "bbox":{ "xmin": 5.937952819198381, "xmax": 46.62039596564427, "ymin": 42.933776289335235, "ymax": 51.45619575225303 } }

And I have exported the xlsx file with a few columns according to the tutorial '3D City Database for CityGML A Hands-on Tutorial for Beginners Version 4.0.0':

Building_Height_Unit - BUILDING/MEASURED_HEIGHT_UNIT Street_Name - ADDRESS/[FIRST]STREET House_Number - ADDRESS/[FIRST]HOUSE_NUMBER Denkmal_Art - CITYOBJECT_GENERICATTRIB/STRVAL[ATTRNAME='DENKMALART']

But I could not see any building in the web map.

Do you know what could be the problme? I don't know what columns are necessary in the spreadsheet. And also I didnt check the Tiling Filter when doing the VIS export. Could these be the problem?