Why can I not access my Documents folder or modify its permissions? (Monterey)
Lately, I cannot drag my Documents folder to the Finder Sidebar, I cannot doubleclick the Documents folder to open it in a Finder window, I cannot use the reveal triangle to display the contents of the Documents folder, and I can't modify the permissions of the Documents folder via the Get Info window.
Document folder permissions are currently Self: read/write; Everyone: none. I could not add Admin group permissions; I could not change Everyone to read only. All such efforts reported error code -8058.
What is error code -8058?
Terminal shows this (using "ls -al" after doing "cd ~"):
drwx------@ 78 gary staff 2496 Apr 13 07:35 Documents
For comparison, another top-level folder shows this:
drwxr-xr-x 8 gary admin 256 Nov 15 2016 Development
After "cd Documents", "ls -al" shows a correct list of the contents of the Documents folder.
Commands "chmod o+r Documents" and "chmod g+r Documents" seem to work:
drwxr--r--@ 78 gary staff 2496 Apr 13 07:35 Documents
But these new permissions do NOT show up in the Finder Get Info window.
==========
Additional information: for the last several weeks, a few times each week, all the user-added folders in my Finder Sidebar disappear.
Mac Mini 2018; Monterey 12.5.1