Error code

macOS -43

MACOS-43
System Error Code· A POSIX/system errno returned when a system call fails.

What it means

File not found (fnfErr) — the system could not locate the file or directory at the specified path..

How to fix it

  1. Verify the file path in Finder.
  2. restore from a backup or Time Machine.
  3. rebuild the app's security-scoped bookmark in its settings.
  4. check the Trash if the file was recently deleted.

Not affiliated with macOS. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.