"Some sub-elements are erroneous" error message occurs while offseting a surface. Can anyone tell me why is it so?
![Bez tytułu2.jpg Bez tytułu2.jpg](https://www.3dcadforums.com/data/attachments/1/1672-e305a9045a4fb8933ba4962f6f858d9b.jpg)
Before I click preview there is offset surface operator pointing at the corner:
![Bez tytułu.jpg Bez tytułu.jpg](https://www.3dcadforums.com/data/attachments/1/1673-8b8931017ec3e16134f053e5b7910753.jpg)
Any tips how to avoid the problem? Thank You
Offsetting of smaller value do help, but this is not what I want to obtain
![Bez tytułu2.jpg Bez tytułu2.jpg](https://www.3dcadforums.com/data/attachments/1/1672-e305a9045a4fb8933ba4962f6f858d9b.jpg)
Before I click preview there is offset surface operator pointing at the corner:
![Bez tytułu.jpg Bez tytułu.jpg](https://www.3dcadforums.com/data/attachments/1/1673-8b8931017ec3e16134f053e5b7910753.jpg)
Any tips how to avoid the problem? Thank You
Offsetting of smaller value do help, but this is not what I want to obtain