Geomsubset Material missing when move the object

When Material assign to Geomsubset ,mateiral disappear when move the object.
vray_solaris.zip (3.85 MB)

Thank you for contacting us, @anitamaria_claudioquindigalli I will investigate the matter further and come back to you

Meanwhile, please, let me know which V-Ray for Houdini build are you using. Please, copy and paste the name of the V-Ray > About V-Ray menu
Additionally, which Houdini version are you using?

V-Ray for Houdini hash:52a05ba from 19 May 2025 15:17
V-Ray Core 7.10.00 [7f8a0f23] from 16 May 2025
houdini 20.5.550
windows 11​

Thank you, @anitamaria_claudioquindigalli I managed to reproduce it. I will investigate further and come back to you.