TextRazor Error

gistfile1.txt

[2013-05-08 20:23:47,331: ERROR/MainProcess] Process PoolWorker-91
Traceback (most recent call last):
  File "/var/www/my-news-api/env/local/lib/python2.7/site-packages/billiard/process.py", line 254, in _bootstrap
    self.run()
  File "/var/www/my-news-api/env/local/lib/python2.7/site-packages/billiard/process.py", line 103, in run
    self._target(*self._args, **self._kwargs)
  File "/var/www/my-news-api/env/local/lib/python2.7/site-packages/billiard/pool.py", line 313, in worker
    result = (True, func(*args, **kwds))
  File "/var/www/my-news-api/env/local/lib/python2.7/site-packages/celery/task/trace.py", line 320, in _fast_trace_task
    return _tasks[task].__trace__(uuid, args, kwargs, request)[0]
  File "/var/www/my-news-api/env/local/lib/python2.7/site-packages/celery/task/trace.py", line 228, in trace_task
    R = retval = fun(*args, **kwargs)
  File "/var/www/my-news-api/env/local/lib/python2.7/site-packages/newrelic-1.10.0.28/newrelic/api/object_wrapper.py", line 220, in __call__
    self._nr_instance, args, kwargs)
  File "/var/www/my-news-api/env/local/lib/python2.7/site-packages/newrelic-1.10.0.28/newrelic/api/background_task.py", line 88, in wrapper
    return wrapped(*args, **kwargs)
  File "/var/www/my-news-api/env/local/lib/python2.7/site-packages/celery/task/trace.py", line 415, in __protected_call__
    return self.run(*args, **kwargs)
  File "/var/www/my-news-api/my-news-api/mynews/sources/tasks.py", line 16, in scrape_story
    story = get_story_or_scrape(story.story_url)
  File "/var/www/my-news-api/my-news-api/mynews/stories/shortcuts.py", line 39, in get_story_or_scrape
    Topic.tag_story(story)
  File "/var/www/my-news-api/my-news-api/mynews/subjects/models.py", line 104, in tag_story
    topics = NamedEntityRecognitionService.get_topic_tags(story)
  File "/var/www/my-news-api/my-news-api/mynews/subjects/models.py", line 33, in get_topic_tags
    response = tr_client.analyze(text)
  File "/var/www/my-news-api/my-news-api/mynews/subjects/textrazor.py", line 1014, in analyze
    raise TextRazorAnalysisException("TextRazor returned HTTP Code %d: %s" % (e.code, e.read()))
TextRazorAnalysisException: TextRazor returned HTTP Code 503: TextRazor starter plan allows a maximum of 2 concurrent requests, please contact support@textrazor.com for more information.