Permission denied
Review folder access, Full Disk Access, ownership, and action authorization.
File not found
The item moved or was removed after scanning. Run a new scan.
File in use
Quit the owning app and background helpers.
Read-only file system
The volume does not permit modification. Unlock or remount it appropriately.
Insufficient space
An operation may need working space even when it removes data. Free a safe amount on the relevant volume.
Device not available
Reconnect and unlock the external or network location.
Never change major system protection merely to suppress an error for an unknown item.