我收到以下消息：
Traceback (most recent call last):
File "/usr/bin/duplicity", line 1546, in <module>
with_tempdir(main)
File "/usr/bin/duplicity", line 1540, in with_tempdir
fn()
File "/usr/bin/duplicity", line 1375, in main
action = commandline.ProcessCommandLine(sys.argv[1:])
File "/usr/lib/python2.7/dist-packages/duplicity/commandline.py", line 1132, in ProcessCommandLine
globals.backend = backend.get_backend(args[0])
File "/usr/lib/python2.7/dist-packages/duplicity/backend.py", line 223, in get_backend
obj = get_backend_object(url_string)
File "/usr/lib/python2.7/dist-packages/duplicity/backend.py", line 209, in get_backend_object
return factory(pu)
File "/usr/lib/python2.7/dist-packages/duplicity/backends/giobackend.py", line 97, in __init__
self.remote_file.make_directory_with_parents(None)
Error: g-io-error-quark: Operation unsupported (15)