Cannot access repository and push fails

We have problems accessing our repository at bitbucket.org/infoasset/tricia. The web access does not work, the error code is 71e644fafc4249cc97106424176e4d8c.

Pushing via ssh does not work as well:

pushing to ssh://hg@bitbucket.org/infoasset/tricia
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 66 changesets with 205 changes to 107 files (-1 heads)
remote: Traceback (most recent call last):
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/django/core/handlers/base.py", line 111, in get_response
remote: response = callback(request, *callback_args, **callback_kwargs)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/newrelic-1.11.0.55/newrelic/api/object_wrapper.py", line 216, in call
remote: self._nr_instance, args, kwargs)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/newrelic-1.11.0.55/newrelic/hooks/framework_django.py", line 475, in wrapper
remote: return wrapped(*args, **kwargs)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/django/views/decorators/csrf.py", line 39, in wrapped_view
remote: resp = view_func(*args, **kwargs)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/django/views/decorators/csrf.py", line 52, in wrapped_view
remote: return view_func(*args, **kwargs)
remote: File "/opt/python/domains/bitbucket.org/2012-10-26/bitbucket/../bitbucket/apps/httphooks/views.py", line 25, in inner
remote: func(request, phase, environ=environ)
remote: File "/opt/python/domains/bitbucket.org/2012-10-26/bitbucket/../bitbucket/apps/httphooks/views.py", line 52, in hghook
remote: return func(repo.ui, repo, environ=environ, **dict(request.POST.items()))
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/orochi/hg.py", line 1591, in wrapper
remote: push = HgPush(repo2, kwargs.get('node', tipsha), tipsha)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/orochi/hg.py", line 1606, in init
remote: self._newbranchmap = repo._repo.branchmap()
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/mercurial/localrepo.py", line 507, in branchmap
remote: self.updatebranchcache()
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/mercurial/localrepo.py", line 501, in updatebranchcache
remote: self._branchtags(partial, lrev)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/mercurial/localrepo.py", line 483, in _branchtags
remote: self._updatebranchcache(partial, ctxgen)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/mercurial/localrepo.py", line 586, in _updatebranchcache
remote: bheads = sorted(bheads, key=lambda x: self[x].rev())
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/mercurial/localrepo.py", line 586, in <lambda>
remote: bheads = sorted(bheads, key=lambda x: self[x].rev())
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/mercurial/localrepo.py", line 227, in getitem
remote: return context.changectx(self, changeid)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/mercurial/context.py", line 84, in init
remote: self._node = repo.branchtip(changeid)
remote: File "/opt/python/domains/bitbucket.org/current/bitbucket/local/env/lib/python2.7/site-packages/mercurial/localrepo.py", line 521, in branchtip
remote: if branch not in self.branchmap():
remote: TypeError: argument of type 'NoneType' is not iterable
remote:
remote: transaction abort!
remote: rollback completed
remote: abort: pretxnchangegroup.bb_perm hook failed
[command returned code 1 Thu Jun 06 10:21:59 2013]

There were temporary problems yesterday too.

Please fix this as soon as possible, we cannot do our work as long as the problem exits.