創建了一個子頁面並獲得了一個500

Question

正如標題所述，我創建了一個「子」頁面和BAM：500.以下是我相信的實際回溯，以及我相信500頁上的一些信息與這個話題密切相關。

有什麼我可以做的嗎？我試圖手動刪除該頁面後，以無任何爭議。 （別擔心，我修改了數據庫的副本）。

AssertionError at /admin/cms/page/ 
Negative indexing is not supported. 
Request Method: GET 
Request URL: http://192.168.56.101:8080/admin/cms/page/ 
Django Version: 1.3.1 
Exception Type: AssertionError 
Exception Value:  
Negative indexing is not supported. 
Exception Location: /usr/local/lib/python2.7/dist-packages/django/db/models/query.py in __getitem__, line 157 
Python Executable: /usr/bin/python 
Python Version: 2.7.3 

Environment: 


Request Method: GET 
Request URL: http://192.168.56.101:8080/admin/cms/page/ 

Django Version: 1.3.1 
Python Version: 2.7.3 
Installed Applications: 
['django.contrib.auth', 
'django.contrib.contenttypes', 
'django.contrib.sessions', 
'django.contrib.sites', 
'django.contrib.messages', 
'django.contrib.admin', 
'django.contrib.staticfiles', 
'cms', 
'menus', 
'mptt', 
'south', 
'cms.plugins.text', 
'cms.plugins.picture', 
'cms.plugins.link', 
'cms.plugins.file', 
'cms.plugins.snippet', 
'cms.plugins.googlemap', 
'sekizai', 
'registration', 
'cms_themes'] 
Installed Middleware: 
('django.middleware.common.CommonMiddleware', 
'django.contrib.sessions.middleware.SessionMiddleware', 
'django.middleware.csrf.CsrfViewMiddleware', 
'django.contrib.auth.middleware.AuthenticationMiddleware', 
'django.contrib.messages.middleware.MessageMiddleware', 
'cms.middleware.page.CurrentPageMiddleware', 
'cms.middleware.user.CurrentUserMiddleware', 
'cms.middleware.toolbar.ToolbarMiddleware') 


Traceback: 
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in get_response 
    111.       response = callback(request, *callback_args, **callback_kwargs) 
File "/usr/local/lib/python2.7/dist-packages/django/contrib/admin/options.py" in wrapper 
    307.     return self.admin_site.admin_view(view)(*args, **kwargs) 
File "/usr/local/lib/python2.7/dist-packages/django/utils/decorators.py" in _wrapped_view 
    93.      response = view_func(request, *args, **kwargs) 
File "/usr/local/lib/python2.7/dist-packages/django/views/decorators/cache.py" in _wrapped_view_func 
    79.   response = view_func(request, *args, **kwargs) 
File "/usr/local/lib/python2.7/dist-packages/django/contrib/admin/sites.py" in inner 
    197.    return view(request, *args, **kwargs) 
File "/usr/local/lib/python2.7/dist-packages/cms/admin/pageadmin.py" in changelist_view 
    657.   cl.set_items(request) 
File "/usr/local/lib/python2.7/dist-packages/cms/admin/change_list.py" in set_items 
    198.      children[-1].last = False 
File "/usr/local/lib/python2.7/dist-packages/django/db/models/query.py" in __getitem__ 
    157.     "Negative indexing is not supported." 

Exception Type: AssertionError at /admin/cms/page/ 
    Exception Value: Negative indexing is not supported. 

Answer 1

確保您的django-mptt版本是0.5.1。