有什么想法我为什么会收到这个错误吗？

Question

我在我的Ubuntu电脑上尝试安装django-cms，但遇到了一个错误：

    Traceback (most recent call last):
  File "manage.py", line 14, in <module>
    execute_manager(settings)
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/__init__.py", line 438, in execute_manager
    utility.execute()
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/__init__.py", line 379, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/base.py", line 191, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/base.py", line 209, in execute
    translation.activate('en-us')
  File "/usr/local/lib/python2.6/dist-packages/django/utils/translation/__init__.py", line 100, in activate
    return _trans.activate(language)
  File "/usr/local/lib/python2.6/dist-packages/django/utils/translation/trans_real.py", line 202, in activate
    _active.value = translation(language)
  File "/usr/local/lib/python2.6/dist-packages/django/utils/translation/trans_real.py", line 185, in translation
    default_translation = _fetch(settings.LANGUAGE_CODE)
  File "/usr/local/lib/python2.6/dist-packages/django/utils/translation/trans_real.py", line 162, in _fetch
    app = import_module(appname)
  File "/usr/local/lib/python2.6/dist-packages/django/utils/importlib.py", line 35, in import_module
    __import__(name)
  File "/usr/local/lib/python2.6/dist-packages/cms/__init__.py", line 14, in <module>
    patch_settings()
  File "/usr/local/lib/python2.6/dist-packages/cms/conf/__init__.py", line 32, in patch_settings
    post_patch()
  File "/usr/local/lib/python2.6/dist-packages/cms/conf/patch.py", line 26, in post_patch
    settings.CMS_TEMPLATES = tuple(settings.CMS_TEMPLATES) + (
TypeError: 'NoneType' object is not iterable

有人知道这个错误为什么会出现吗？

谢谢！

编辑 -1 --

大家好，

你们说得对，我之前没有在settings.py里添加cms_templates。现在我加上了，但现在又出现了这个错误。

DatabaseError at /

没有这个表：cms_page

请求方式：GET

请求网址：http://localhost:8000/

Django版本：1.3

异常类型：数据库错误

异常信息：

没有这个表：cms_page

异常位置：/usr/local/lib/python2.6/dist-packages/django/db/backends/sqlite3/base.py 的execute函数，234行

Python可执行文件：/usr/bin/python

Python版本：2.6.6

Python路径：

['/home/naveen/django_projects/myproject',

'/usr/local/lib/python2.6/dist-packages/pip-0.8.3-py2.6.egg',

'/usr/lib/python2.6',

'/usr/lib/python2.6/plat-linux2',

'/usr/lib/python2.6/lib-tk',

'/usr/lib/python2.6/lib-old',

'/usr/lib/python2.6/lib-dynload',

'/usr/local/lib/python2.6/dist-packages',

'/usr/lib/python2.6/dist-packages',

'/usr/lib/python2.6/dist-packages/PIL',

'/usr/lib/python2.6/dist-packages/gst-0.10',

'/usr/lib/pymodules/python2.6',

'/usr/lib/python2.6/dist-packages/gtk-2.0',

'/usr/lib/pymodules/python2.6/gtk-2.0']

服务器时间：2011年3月25日星期五 15:34:04 -0500

ubuntu 数据库错误 sqlite3 settings.py django版本 django-cms 请求方式 cms_page

有什么想法我为什么会收到这个错误吗？

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