Clicking on the Menu item in Tools in SH3D v6.2.1 (bought in Apple App Store) on MacOS 10.14.6 crashes SH3D:

Process: SweetHome3D [35633]
Path: /Applications/Sweet Home 3D.app/Contents/MacOS/SweetHome3D
Identifier: com.eteks.sweethome3d.SweetHome3D
Version: 6.2.1 (6210)
App Item ID: 669289700
App ...