ManagementForm数据丢失或已被篡改

Question

突然，7个星期后，我得到这个错误

ValidationError：[u'ManagementForm数据丢失或已被篡改']

它的工作罚款几个星期。我没有改变一件事。当我试图保存一个页面时会发生这种情况。

Stacktrace (most recent call last): 

    File "django/core/handlers/base.py", line 115, in get_response 
    response = callback(request, *callback_args, **callback_kwargs) 
    File "django/contrib/admin/options.py", line 372, in wrapper 
    return self.admin_site.admin_view(view)(*args, **kwargs) 
    File "django/utils/decorators.py", line 91, in _wrapped_view 
    response = view_func(request, *args, **kwargs) 
    File "django/views/decorators/cache.py", line 89, in _wrapped_view_func 
    response = view_func(request, *args, **kwargs) 
    File "django/contrib/admin/sites.py", line 202, in inner 
    return view(request, *args, **kwargs) 
    File "feincms/module/page/modeladmins.py", line 167, in change_view 
    return super(PageAdmin, self).change_view(request, object_id, **kwargs) 
    File "feincms/admin/item_editor.py", line 229, in change_view 
    return super(ItemEditor, self).change_view(request, object_id, **kwargs) 
    File "django/utils/decorators.py", line 25, in _wrapper 
    return bound_func(*args, **kwargs) 
    File "django/utils/decorators.py", line 91, in _wrapped_view 
    response = view_func(request, *args, **kwargs) 
    File "django/utils/decorators.py", line 21, in bound_func 
    return func(self, *args2, **kwargs2) 
    File "django/db/transaction.py", line 223, in inner 
    return func(*args, **kwargs) 
    File "django/contrib/admin/options.py", line 1100, in change_view 
    queryset=inline.queryset(request)) 
    File "django/forms/models.py", line 720, in __init__ 
    queryset=qs, **kwargs) 
    File "django/forms/models.py", line 441, in __init__ 
    super(BaseModelFormSet, self).__init__(**defaults) 
    File "django/forms/formsets.py", line 56, in __init__ 
    self._construct_forms() 
    File "django/forms/formsets.py", line 123, in _construct_forms 
    for i in xrange(min(self.total_form_count(), self.absolute_max)): 
    File "django/forms/formsets.py", line 97, in total_form_count 
    return self.management_form.cleaned_data[TOTAL_FORM_COUNT] 
    File "django/forms/formsets.py", line 85, in management_form 
    raise ValidationError('ManagementForm data is missing or has been tampered with') 

有没有人有线索？

我使用Django 1.5和1.7.0 FeinCMS

Answer 1

我有2个不同版本的安装FeinCMS的。删除并安装新的FeinCMS解决了这个问题。