Python Traceback

Traceback (most recent call last):
  File "/var/lib/python-support/python2.4/trac/web/main.py", line 387, in dispatch_request
    dispatcher.dispatch(req)
  File "/var/lib/python-support/python2.4/trac/web/main.py", line 237, in dispatch
    resp = chosen_handler.process_request(req)
  File "/var/lib/python-support/python2.4/trac/versioncontrol/web_ui/browser.py", line 143, in process_request
    self._render_directory(req, repos, node, rev)
  File "/var/lib/python-support/python2.4/trac/versioncontrol/web_ui/browser.py", line 168, in _render_directory
    changes = get_changes(self.env, repos, [i['rev'] for i in info])
  File "/var/lib/python-support/python2.4/trac/versioncontrol/web_ui/util.py", line 37, in get_changes
    changeset = repos.get_changeset(rev)
  File "/var/lib/python-support/python2.4/trac/versioncontrol/cache.py", line 46, in get_changeset
    self.authz)
  File "/var/lib/python-support/python2.4/trac/versioncontrol/cache.py", line 227, in __init__
    "WHERE rev=%s", (rev,))
  File "/var/lib/python-support/python2.4/trac/db/util.py", line 50, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/var/lib/python-support/python2.4/trac/db/util.py", line 50, in execute
    return self.cursor.execute(sql_escape_percent(sql), args)
  File "/usr/lib/python2.4/site-packages/pyPgSQL/PgSQL.py", line 3111, in execute
    raise OperationalError, msg
OperationalError: ERROR:  operator does not exist: text = integer at character 88
HINT:  No operator matches the given name and argument type(s). You might need to add explicit type casts.