Its first time I use Xtensive.Orm I check documentation but always get a error on saving. I double check documentation can someone help me? <img width="1254" height="649" alt="Image" src="https://github.com/user-attachments/assets/68572af8-f9f0-44ec-a413-b15d5cfbddd3" /> <img width="669" height="741" alt="Image" src="https://github.com/user-attachments/assets/3cc3d7c0-0edc-46a5-b84e-ad73ff3d0cf8" />
Its first time I use Xtensive.Orm
I check documentation but always get a error on saving. I double check documentation can someone help me?