nautilus crashed with SIGSEGV in syncdaemon_daemon_get_filesystem_interface()

Binary package hint: ubuntuone-client

I went to my Ubuntu One folder, and noticed there was now a green 'tick' on the file i moved to my Ubuntu One folder a few minutes ago, I right clicked it and selected Ubuntu One > Publish, and then nautilus crashed with this message: "nautilus has closed unexpectedly".

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: ubuntuone-client-gnome 1.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-20.29-generic 2.6.35.4
Uname: Linux 2.6.35-20-generic i686
Architecture: i386
Date: Sun Sep 12 10:31:51 2010
ExecutablePath: /usr/bin/nautilus
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
ProcCmdline: nautilus
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x1d3b269 <syncdaemon_daemon_get_filesystem_interface+41>: cmp (%edx),%eax
 PC (0x01d3b269) ok
 source "(%edx)" (0x83e58955) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: ubuntuone-client
StacktraceTop:
 syncdaemon_daemon_get_filesystem_interface () from /usr/lib/libsyncdaemon-1.0.so.1
 ?? () from /usr/lib/nautilus/extensions-2.0/libnautilus-ubuntuone.so
 g_cclosure_marshal_VOID__VOID () from /usr/lib/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libgobject-2.0.so.0
Title: nautilus crashed with SIGSEGV in syncdaemon_daemon_get_filesystem_interface()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare