Attached is a stripped out version of a file that I imported from VW2018 to VW2021.
1. Open file, you should see these two objects:
2. Select both objects, and copy
3. Paste-in-place, and I get this:
The pasted objects are in a different location, below the originals. All the details in the OIP seem to match.
Also, if I paste-in-place these objects into a new empty file, they lose all of their height/peaks