How to save new file ?

I create a empty new file, when I click "save" button, I got a dialog

<img width="2188" height="1462" alt="Image" src="https://github.com/user-attachments/assets/3d1c52de-f070-4656-9d08-936b7d90d7c7" />

I never seen a software cannot save new file, by the way, the word `initalize`  is wrong