Notes error at Sequoia

Hi,

After I have updated my MacBook Air M2 to sequoia, the Notes app not working properly.

Before update I had 3 column, left were the folders, middle the notes and right column is the preview, where I could edit notes.

Now I have only 2 column, the right one is disappeared and I can't set it in any settings. Even in Fullscreen the right side is empty.

I can only edit my notes if I double click and open in new window.

What is the problem?

Is there any solution?

Thanks.

It should be like this: