Morphometric doesn't work

[Empanag]

I m trying to use morphometric tool for grid using only buildings file and a shapefile but i don't have any outputs only the isotropic file which is empty.

my data are these in the link
"D:\FORTH-RSLab Dropbox\FORTH-RSLab Dropbox\RSLab\Manolis Panagiotakis\MorphometricInputs.zip"

[biglimp]

You cannot have Nodata pixels representing the ground in your DSM. Replace them with zeros and try again. I recommend to use Fill NoData Cells in the Processing toolbox in QGIS.