DomuS3D installation was succesfully completed but there isn't tiles and/or material in the database, it's empty. In this case it's not necessary reinstall the software.
Run DomuS3D and select "Load Catalogue" button from DATABASE toolbar. Then select the archive "Import.rar" file from the "Import" folder into installation/key folder
DomuS3D automatically will load again all the data and confirm to update files if necessary.
This article is valid for DomuS3D® 2017 and later versions