Issue in Insight for Excel

Hello, I'm new joiner in Insight for Excel.

My problem is that the structures saved from smiles disappear after saving excel changes and closing the Excel.

After re-opening the Excel, only inscriptions from the structures remain. I can't use Insight again because there are no smiles, and it can't generate structures without smiles. Perhaps I don't need to click save changes?

Appreciate any help. Daria