codeosting Fault -1: "Unexpected Zope exception: TypeError: ('Could not adapt', <SuiteSourcePackage ubuntu/precise-proposed/qwt>, IBranchTarget

https://lp-oops.canonical.com/oops/?oopsid=OOPS-341d8c5056f78f49855a3e655d6dde52

Fault: <Fault -1: "Unexpected Zope exception: TypeError: ('Could not adapt', <SuiteSourcePackage ubuntu/precise-proposed/qwt>, <InterfaceClass lp.code.interfaces.branchtarget.IBranchTarget>)">

    Traceback (most recent call last):
  Module bzrlib.smart.request, line 356, in _call_converting_errors
    return callable(*args, **kwargs)
  Module bzrlib.smart.request, line 141, in execute
    return self.do(*args)
  Module bzrlib.smart.bzrdir, line 413, in do
    make_working_trees=make_working_trees, shared_repo=shared_repo)
  Module bzrlib.bzrdir, line 1502, in initialize_on_transport_ex
    redirected)
  Module bzrlib.transport, line 1683, in do_catching_redirections
    return action(transport)
  Module bzrlib.bzrdir, line 1495, in make_directory
    transport.mkdir('.')
  Module bzrlib.transport.pathfilter, line 159, in mkdir
    return self._call('mkdir', relpath, mode)
  Module bzrlib.transport.pathfilter, line 98, in _call
    return backing_method(self._filter(relpath), *args)
  Module lp.codehosting.vfs.transport, line 328, in mkdir
    return extract_result(self._async_transport.mkdir(relpath, mode))
  Module lp.services.twistedsupport, line 102, in extract_result
    failures[0].raiseException()
  Module twisted.python.failure, line 370, in raiseException
    raise self.type, self.value, self.tb
Fault: <Fault -1: "Unexpected Zope exception: TypeError: ('Could not adapt', <SuiteSourcePackage ubuntu/precise-proposed/qwt>, <InterfaceClass lp.code.interfaces.branchtarget.IBranchTarget>)">