Thanks for reporting the issue. I wanted to know if you are still experiencing the issue. In addition, we recently introduced the beta of the new Asset Manager wanted to know if you are experiencing the same issue in the new tool.
I recently got the same issue after creating a model and trying to import it in a game.
But when I made a new baseplate and imported it there I didn’t get the erros.
Here is a picture when I imported the model to studio.