SubD Reflect Object turns grey

Hey I use Subd first Time and when I using reflektion, the lower body turns grey. And Idk. when I pull one side up, the other side goes down. I just want to pull up one side.
How I fix this in Options?

Thanks for Help

I use v7 BETA!

Top Picture: Me
Below Picture: Youtuber

maybe instead of Reflect, you could use Mirror?

no i using reflecting

Hello - please see Help on Reflect, it is not the same as Mirror.