Comment 2 for bug 437086

Same Problem here ->

msynctool --sync synce-sync
Synchronizing group "synce-sync"
The previous synchronization was unclean. Slow-syncing
DEBUG:SynCE:Connect() called
ERROR:SynCE:connect() failed: org.freedesktop.DBus.Error.Spawn.ExecFailed: Failed to execute program /usr/bin/sync-engine: Success
Member 2 of type evo2-sync just connected
Traceback (most recent call last):
  File "/usr/lib/opensync/python-plugins/synce-opensync-plugin-2x.py", line 131, in _CBConnectOnIdle
    ctx.report_error()
  File "/usr/lib/pymodules/python2.6/opensync.py", line 132, in report_error
    def report_error(*args): return _opensync.OSyncContext_report_error(*args)
TypeError: OSyncContext_report_error expected 3 arguments, got 1