10.20. Key import fails with an error “File name too long”

If, when you try to import a key, you get the following error:

      Importing the keys failed
      gpg: can't open (very long string of characters running off screen)
      File name too long
      gpg: Total number processed: 0

then try to import the key through GnuPG. Open a command line and issue the
following command: gpg --import key_file_to_import.asc.