Tympan Crash when creating a machine under a cylindrical building

1. Creation of a new project
2. Creation of a building named "BatimentCylindrique"
3. Under "BatimentCylindrique", selection of a cylindrical building named "CylindreAcoustique"
4. On "CylindreAcoustique", selection of "Ajouter/Nouvelle machine"
5. Selection of a machine (cylindre, boite )
6. Save project
7. close the modeler windows
8. Crash ModeleBatimentCylindriqueMachine.xml