package nautilus-dropbox 0.6.8-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

Failed during installing.
Traceback (most recent call last):
  File "/usr/bin/dropbox", line 1248, in <module>
    ret = main(sys.argv)
  File "/usr/bin/dropbox", line 1237, in main
    result = commands[argv[i]](argv[i+1:])
  File "/usr/bin/dropbox", line 712, in update
    download()
  File "/usr/bin/dropbox", line 435, in download
    download = DownloadState()
  File "/usr/bin/dropbox", line 157, in __init__
    self.size = int(self.file.info()['content-length'])
  File "/usr/lib/python2.7/rfc822.py", line 388, in __getitem__
    return self.dict[name.lower()]
KeyError: 'content-length'

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: nautilus-dropbox 0.6.8-1
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu2
AptOrdering:
 nautilus-dropbox: Install
 nautilus-dropbox: Configure
Architecture: amd64
Date: Mon Oct 3 15:23:06 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
SourcePackage: nautilus-dropbox
Title: package nautilus-dropbox 0.6.8-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to oneiric on 2011-10-02 (1 days ago)