exceptions.EOFError

Hi,

I've been trying to merge from trunk to a branch but get the following error.
branch: http://bazaar.launchpad.net/~jomammele/openpetraorg/debian-packaging
command: bzr merge lp:openpetraorg --directory D:/openpetra/bzr/debian-packaging

What can I do?

Greetings
JoMa

bzr: ERROR: exceptions.EOFError:

Traceback (most recent call last):
  File "bzrlib\commands.pyo", line 946, in exception_to_return_code
  File "bzrlib\commands.pyo", line 1150, in run_bzr
  File "bzrlib\commands.pyo", line 699, in run_argv_aliases
  File "bzrlib\commands.pyo", line 721, in run
  File "bzrlib\cleanup.pyo", line 135, in run_simple
  File "bzrlib\cleanup.pyo", line 165, in _do_with_cleanups
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\commands.py", line 821, in run
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\subprocess.py", line 888, in run_subprocess_command
  File "bzrlib\commands.pyo", line 1150, in run_bzr
  File "bzrlib\commands.pyo", line 699, in run_argv_aliases
  File "bzrlib\commands.pyo", line 721, in run
  File "bzrlib\cleanup.pyo", line 135, in run_simple
  File "bzrlib\cleanup.pyo", line 165, in _do_with_cleanups
  File "bzrlib\builtins.pyo", line 4051, in run
  File "bzrlib\builtins.pyo", line 4197, in _get_merger_from_branch
  File "bzrlib\merge.pyo", line 410, in from_revision_ids
  File "bzrlib\merge.pyo", line 549, in set_other_revision
  File "bzrlib\merge.pyo", line 566, in _maybe_fetch
  File "bzrlib\decorators.pyo", line 217, in write_locked
  File "bzrlib\branch.pyo", line 682, in fetch
  File "bzrlib\decorators.pyo", line 217, in write_locked
  File "bzrlib\branch.pyo", line 3296, in fetch
  File "bzrlib\remote.pyo", line 1657, in fetch
  File "bzrlib\decorators.pyo", line 217, in write_locked
  File "bzrlib\vf_repository.pyo", line 2499, in fetch
  File "bzrlib\fetch.pyo", line 75, in __init__
  File "bzrlib\fetch.pyo", line 102, in __fetch
  File "bzrlib\fetch.pyo", line 130, in _fetch_everything_for_search
  File "bzrlib\remote.pyo", line 2110, in insert_stream
  File "bzrlib\smart\client.pyo", line 181, in call_with_body_stream
  File "bzrlib\smart\client.pyo", line 79, in _call_and_read_response
  File "bzrlib\smart\client.pyo", line 61, in _send_request
  File "bzrlib\smart\protocol.pyo", line 1379, in call_with_body_stream
  File "bzrlib\smart\protocol.pyo", line 1099, in flush
  File "bzrlib\smart\medium.pyo", line 395, in accept_bytes
  File "bzrlib\smart\medium.pyo", line 977, in _accept_bytes
  File "bzrlib\smart\medium.pyo", line 794, in _accept_bytes
  File "bzrlib\smart\medium.pyo", line 688, in accept_bytes
  File "bzrlib\smart\medium.pyo", line 861, in _accept_bytes
  File "bzrlib\osutils.pyo", line 2099, in send_all
  File "paramiko\channel.pyo", line 701, in send
  File "paramiko\transport.pyo", line 1426, in _send_user_message
  File "paramiko\transport.pyo", line 1406, in _send_message
  File "paramiko\packet.pyo", line 310, in send_message
  File "paramiko\packet.pyo", line 260, in write_all
EOFError

bzr 2.4.2 on python 2.6.6 (Windows-7-6.1.7601-SP1)
arguments: ['C:\\Program Files (x86)\\Bazaar\\bzr.exe', 'qsubprocess', '--
    bencode', 'l5:merge15:lp:openpetraorg11:--directory33:D:/openpetra/bzr
    /debian-packaginge']
plugins: bzrtools[2.4.1], changelog_merge[2.4.2], colo[0.3.1dev],
    explorer[1.2.1], fastimport[0.12.0dev], launchpad[2.4.2], loom[2.2.1dev],
    netrc_credential_store[2.4.2], news_merge[2.4.2], pipeline[1.1.0],
    qbzr[0.21.1], rewrite[0.6.3dev], svn[1.1.0], upload[1.0.1dev],
    xmloutput[0.8.7]
encoding: 'cp1252', fsenc: 'mbcs', lang: None

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.