I notice you’re using your “Documents” folder, which is a built-in MacOS folder. (Or maybe you just named your vault “Documents”?)
I highly don’t recommend using that folder. You should create a separate folder to be your vault. Especially because other apps will be using that folder, and you’ll end up with a mess in your vault.
I’ve also seen people have trouble when syncing on iCloud. And the ~/Documents folder is synced with iCloud (at least by default.) So it might be an iCloud bug.
So
- Make a new folder to be your vault.
- You might also want to consider moving that folder outside of any folder that syncs with iCloud. (But my knowledge might be out of date. Those bugs might have been fixed!)
If you want to check for more info on iCloud bugs and see if it works or not:
https://forum.obsidian.md/search?q=icloud%20bug