Mod_python error: "PythonHandler django.core.handlers.modpython"

Traceback (most recent call last):

  File "/usr/lib/python2.4/site-packages/mod_python/apache.py", line 299, in HandlerDispatch
    result = object(req)

  File "/usr/lib/python2.4/site-packages/django/core/handlers/modpython.py", line 189, in handler
    return ModPythonHandler()(req)

  File "/usr/lib/python2.4/site-packages/django/core/handlers/modpython.py", line 162, in __call__
    response = self.get_response(request)

  File "/usr/lib/python2.4/site-packages/django/core/handlers/base.py", line 132, in get_response
    return callback(request, **param_dict)

  File "/usr/lib/python2.4/site-packages/django/views/defaults.py", line 90, in server_error
    return http.HttpResponseServerError(t.render(Context({})))

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 173, in render
    return self.nodelist.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 748, in render
    bits.append(self.render_node(node, context))

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 761, in render_node
    return node.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/loader_tags.py", line 93, in render
    return compiled_parent.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 173, in render
    return self.nodelist.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 748, in render
    bits.append(self.render_node(node, context))

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 761, in render_node
    return node.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/loader_tags.py", line 93, in render
    return compiled_parent.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 173, in render
    return self.nodelist.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 748, in render
    bits.append(self.render_node(node, context))

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 761, in render_node
    return node.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/loader_tags.py", line 24, in render
    result = self.nodelist.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 748, in render
    bits.append(self.render_node(node, context))

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 761, in render_node
    return node.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/loader_tags.py", line 24, in render
    result = self.nodelist.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 748, in render
    bits.append(self.render_node(node, context))

  File "/usr/lib/python2.4/site-packages/django/template/__init__.py", line 761, in render_node
    return node.render(context)

  File "/usr/lib/python2.4/site-packages/django/template/defaulttags.py", line 124, in render
    len_values = len(values)

  File "/usr/lib/python2.4/site-packages/django/db/models/query.py", line 111, in __len__
    return len(self._get_data())

  File "/usr/lib/python2.4/site-packages/django/db/models/query.py", line 483, in _get_data
    self._result_cache = list(self.iterator())

  File "/usr/lib/python2.4/site-packages/django/db/models/query.py", line 188, in iterator
    cursor = connection.cursor()

  File "/usr/lib/python2.4/site-packages/django/db/backends/__init__.py", line 33, in cursor
    cursor = self._cursor(settings)

  File "/usr/lib/python2.4/site-packages/django/db/backends/postgresql_psycopg2/base.py", line 69, in _cursor
    self.connection = Database.connect(conn_string, **self.options)

OperationalError: FATAL:  connection limit exceeded for non-superusers