ValueError: need more than 0 values to unpack

I just encountered this bug while submitting to cia.vc.

I have the latest trunk version:
~/.bazaar/plugins/cia
$ bzr log | head
------------------------------------------------------------
revno: 50
branch nick: trunk
timestamp: Tue 2009-05-05 00:01:43 +0200
message:
  sax escape authors again.

$ apt-cache policy bzr
bzr:
  Installed: 1.17-1~bazaar1~jaunty1
  Candidate: 1.17-1~bazaar1~jaunty1
  Version table:
 *** 1.17-1~bazaar1~jaunty1 0
        500 http://ppa.launchpad.net jaunty/main Packages
        100 /var/lib/dpkg/status
     1.13.1-1 0
        500 http://rs.archive.ubuntu.com jaunty/main Packages

$ bzr commit
Committing to: /home/forger/project/timekpr/timekpr/
modified timekpr-client.py
modified timekpr-gui.py
modified timekprd.py
modified timekpr/common.py
modified timekpr/pam.py
Committed revision 268.
Submitting revision to CIA.
/home/forger/.bazaar/plugins/cia/__init__.py:145: DeprecationWarning: BaseException.message has been deprecated as of Python 2.6
  self.message = message
bzr: ERROR: exceptions.ValueError: need more than 0 values to unpack

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 835, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 1030, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 647, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.6/dist-packages/bzrlib/builtins.py", line 3043, in run
    exclude=safe_relpath_files(tree, exclude))
  File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 192, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/workingtree_4.py", line 197, in commit
    result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 192, in write_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/mutabletree.py", line 228, in commit
    *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commit.py", line 400, in commit
    self._process_post_hooks(old_revno, new_revno)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commit.py", line 517, in _process_post_hooks
    self._process_hooks("post_commit", old_revno, new_revno)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commit.py", line 556, in _process_hooks
    self.rev_id)
  File "/home/forger/.bazaar/plugins/cia/__init__.py", line 51, in branch_commit_hook
    return cia_submit(master, new_revid, new_revno)
  File "/home/forger/.bazaar/plugins/cia/__init__.py", line 183, in cia_submit
    except CIADeliverError, (error, ):
ValueError: need more than 0 values to unpack

bzr 1.17 on python 2.6.2 (linux2)
arguments: ['/usr/bin/bzr', 'commit']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.UTF-8'
plugins:
  builddeb /usr/lib/python2.6/dist-packages/bzrlib/plugins/builddeb [unknown]
  bzrtools /usr/lib/python2.6/dist-packages/bzrlib/plugins/bzrtools [1.17]
  cia /home/forger/.bazaar/plugins/cia [1.0dev]
  dbus /usr/lib/python2.6/dist-packages/bzrlib/plugins/dbus [unknown]
  fastimport /usr/lib/python2.6/dist-packages/bzrlib/plugins/fastimport [unknown]
  gtk /usr/lib/python2.6/dist-packages/bzrlib/plugins/gtk [0.96.2.final]
  launchpad /usr/lib/python2.6/dist-packages/bzrlib/plugins/launchpad [1.17]
  netrc_credential_store /usr/lib/python2.6/dist-packages/bzrlib/plugins/netrc_credential_store [1.17]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.