The traceback is as follows (sorry for the weird wrapping, blame Microsoft :-)

Traceback (most recent call last):
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\hgweb\server.py",
 line 77, in do_POST
    self.do_write()
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\hgweb\server.py",
 line 70, in do_write
    self.do_hgweb()
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\hgweb\server.py",
 line 137, in do_hgweb
    for chunk in self.server.application(env, self._start_response):
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\util.py", line 32
7, in increasingchunks
    for chunk in source:
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\templater.py", li
ne 315, in _flatten
    for j in _flatten(i):
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\templater.py", li
ne 308, in _flatten
    for i in thing:
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\templater.py", li
ne 184, in runmap
    for i in d:
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\hgweb\webcommands
.py", line 223, in changelist
    "tags": webutil.nodetagsdict(web.repo, n),
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\hgweb\webutil.py"
, line 149, in nodetagsdict
    return [{"name": i} for i in repo.nodetags(node)]
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\localrepo.py", li
ne 616, in nodetags
    if not self._tagscache.nodetagscache:
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\util.py", line 24
6, in __get__
    result = self.func(obj)
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\localrepo.py", li
ne 539, in _tagscache
    cache.tags, cache.tagtypes = self._findtags()
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\hgext\mq.py", line 3459, in
 _findtags
    mqtags.append((self.changelog.parents(mqtags[0][0])[0], 'qparent'))
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\revlog.py", line
315, in parents
    d = i[self.rev(node)]
  File "C:\Users\Angel\Documents\Repositories\hg-2.4\mercurial\changelog.py", li
ne 186, in rev
    raise error.LookupError(node, self.indexfile, _('no node'))
LookupError: 00changelog.i@344cc3601e99: no node