Thanks so much, it works.

Amazing

Thanks for Answer,

There are 60 vdb files in the Folder.
from 001 to 060

here are some screenshots in my dropbox:

https://www.dropbox.com/s/i028y359mkwu654/Bildschirmfoto%202019-03-07%20um%2011.19.15.png?dl=0
https://www.dropbox.com/s/hmqicnglw0cny63/Bildschirmfoto%202019-03-07%20um%2011.19.08 ...

I have the same Problem