title: django.core.exceptions.FieldError: Unknown field(s) (body ) specified for Comment
body: <p>I am new to Django, Am receiving error as written in title. i google it but i cant found any thing.actually what i whant to do is just an add "Comment" to my blog site. i add my code as follows. and thank you 
  my files:</p>
  
  <pre><code>#form.py
  
  from django import forms
  from django.db import models
  from blog.models import Comment
  
  
  class EmailPostForm(forms.Form):
      name = forms.CharField(max_length=25)
      email = forms.EmailField()
      to = forms.EmailField()
      comments = forms.CharField(required=False, widget=forms.Textarea)
      email = forms.EmailField()
      to = forms.EmailField()
      comments = forms.CharField(required=False, widget=forms.Textarea)
  
  
  class CommentForm(forms.ModelForm):
      class Meta:
          model = Comment
          fields = ('name', 'email', 'body ')
  
  #models.py
  
  from django.db import models
  from django.utils import timezone
  from django.contrib.auth.models import User
  from django.core.urlresolvers import reverse
  
  class Post(models.Model):
      STATUS_CHOICES = (
              ('draft', 'Draft'),
              ('published', 'Published'),
              )
      title = models.CharField(max_length=250)
      slug = models.SlugField(max_length=250, unique_for_date="publish")
      author = models.ForeignKey(User, related_name='blog_posts')
      body = models.TextField()
      publish = models.DateTimeField(default=timezone.now)
      created = models.DateTimeField(auto_now_add=True)
      updated = models.DateTimeField(auto_now=True)
      status = models.CharField(max_length=10, choices=STATUS_CHOICES,      
      default="draft")
  
      objects = models.Manager()
      published = PublishedManager()
  
  
      class Meta:
          ordering = ('-publish', )
  
      def __str__(self):
          return self.title
  
      def get_absolute_url(self):
          return reverse('blog:post_detail', args=[self.publish.year,
              self.publish.strftime('%m'),
              self.publish.strftime('%d'),
              self.slug])
  
  
  class Comment(models.Model):
      post = models.ForeignKey(Post, related_name='comments')
      name = models.CharField(max_length=80)
      email = models.EmailField()
      body = models.TextField()
      created = models.DateTimeField(auto_now_add=True)
      updated = models.DateTimeField(auto_now=True)
      active = models.BooleanField(default=True)
  
      class Meta:
          ordering = ('created',)
  
      def __str__(self):
          return "Comment by {} on {}".format(self.name, self.post)
  
  #viwes.py
  
  from django.shortcuts import render, get_object_or_404
  from .models import Post
  from django.core.paginator import Paginator, EmptyPage,\
   PageNotAnInteger
  from django.views.generic import ListView
  from django.core.mail import send_mail
  from .forms import EmailPostForm, CommentForm
  
  
  def post_list(request):
      posts = Post.objects.all()
      object_list = Post.objects.all()
      paginator = Paginator(object_list, 3) # 3 posts in each page
      page = request.GET.get('page')
      try:
          posts = paginator.page(page)
      except PageNotAnInteger:
          posts = paginator.page(1)
      except EmptyPage:
          posts = paginator.page(paginator.num_pages)
      return render(request,
   'blog/post/list.html',
   {'page': page,
   'posts': posts})
  
  def post_detail(request, year, month, day, post):
      post = get_object_or_404(Post, slug=post,
      status='published',
      publish__year=year,
      publish__month=month,
      publish__day=day)
      comments = post.comments.filter(active=True)
      if request.method == 'POST':
          comment_form = CommentForm(data=request.POST)
          if comment_form.is_valid():
              new_comment = comment_form.save(commit=False)
              new_comment.post = post
              new_comment.save()
      else:
          comment_form = CommentForm()
      return render(request, 'blog/post/detail.html', {'post':         
  post,'comments':
  comments,'comment_form': comment_form})
  
  class PostListView(ListView):
      queryset = Post.objects.all()
      context_object_name = 'posts'
      paginate_by = 3
      template_name = 'blog/post/list.html'
  def post_share(request, post_id):
      post = get_object_or_404(Post, id=post_id, status='published')
      sent = False
      if request.method == 'POST':
          form = EmailPostForm(request.POST)
          if form.is_valid():
              cd = form.cleaned_data
              post_url = request.build_absolute_uri(post.get_absolute_url())
              subject = '{} ({}) recommends you reading "    
                              {}"'.format(cd['name'], cd['email'],
                                                                  post.title)
              message = 'Read "{}" at {}\n\n{}\'s comments:     
  {}'.format(post.title, post_url,
  cd['name'], cd['comments'])
              send_mail(subject, message, 'admin@myblog.com',
                                                           [cd['to']])
              sent = True
      else:
          form = EmailPostForm()
          return render(request, 'blog/post/share.html', {'post': post,
   'form': form,
    'sent': sent})
  
  
  def post_share(request, post_id):
      post = get_object_or_404(Post, id=post_id, status='published')
      if request.method == 'POST':
          form = EmailPostForm(request.POST)
          if form.is_valid():
              cd = form.cleaned_data
              post_url = request.build_absolute_uri(post.get_absolute_url())
              subject = '{} ({}) recommends you reading "    
                  {}"'.format(cd['name'], cd['email'],                                                                 
                                                      post.title)
              message = 'Read "{}" at {}\n\n{}\'s comments: 
                                  {}'.format(post.title, post_url,                                                                         
                                              cd['name'], cd['comments'])
              send_mail(subject, message, 'admin@myblog.com',
                        [cd['to']])
              sent = True
      else:
          form = EmailPostForm()
      return render(request, 'blog/post/share.html', {'post': post,
   'form': form})
  
  #EROR
  
  Unhandled exception in thread started by &lt;function check_errors.  
      &lt;locals&gt;.wrapper at 0x0435D198&gt;
      Traceback (most recent call last):
        File "C:\Python3.5.2\lib\site-packages\django\utils\autoreload.py", line 226 , in wrapper
          fn(*args, **kwargs)
        File "C:\Python3.5.2\lib\site-        
      packages\django\core\management\commands\runserver.py", line 121, in inner_run
          self.check(display_num_errors=True)
        File "C:\Python3.5.2\lib\site-packages\django\core\management\base.py",         line 374, in check
          include_deployment_checks=include_deployment_checks,
        File "C:\Python3.5.2\lib\site-packages\django\core\management\base.py",     line 361, in _run_checks
          return checks.run_checks(**kwargs)
        File "C:\Python3.5.2\lib\site-packages\django\core\checks\registry.py",     line 81, in run_checks
          new_errors = check(app_configs=app_configs)
        File "C:\Python3.5.2\lib\site-packages\django\core\checks\urls.py", line 14, in check_url_config
                  return check_resolver(resolver)
         File "C:\Python3.5.2\lib\site-packages\django\core\checks\urls.py", line 24, in check_resolver
              for pattern in resolver.url_patterns:
        File "C:\Python3.5.2\lib\site-packages\django\utils\functional.py", line 35,     in __get__
          res = instance.__dict__[self.name] = self.func(instance)
        File "C:\Python3.5.2\lib\site-packages\django\urls\resolvers.py", line 313, in url_patterns
          patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
        File "C:\Python3.5.2\lib\site-packages\django\utils\functional.py", line  35, in __get__
          res = instance.__dict__[self.name] = self.func(instance)
         File "C:\Python3.5.2\lib\site-packages\django\urls\resolvers.py", line 306, in urlconf_module
          return import_module(self.urlconf_name)
        File "C:\Python3.5.2\lib\importlib\__init__.py", line 126, in import_module
      return _bootstrap._gcd_import(name[level:], package, level)
        File "&lt;frozen importlib._bootstrap&gt;", line 986, in _gcd_import
        File "&lt;frozen importlib._bootstrap&gt;", line 969, in _find_and_load
        File "&lt;frozen importlib._bootstrap&gt;", line 958, in _find_and_load_unlocked
        File "&lt;frozen importlib._bootstrap&gt;", line 673, in _load_unlocked
        File "&lt;frozen importlib._bootstrap_external&gt;", line 665, in exec_module
        File "&lt;frozen importlib._bootstrap&gt;", line 222, in 
      _call_with_frames_removed
        File "C:\project\mysite\mysite\urls.py", line 21, in &lt;module&gt;
          url(r'^blog/', include('blog.urls',namespace='blog', app_name='blog')),
            File "C:\Python3.5.2\lib\site-packages\django\conf\urls\__init__.py", line 50,  
      in include
      urlconf_module = import_module(urlconf_module)
        File "C:\Python3.5.2\lib\importlib\__init__.py", line 126, in 
      import_module
          return _bootstrap._gcd_import(name[level:], package, level)
            File "&lt;frozen importlib._bootstrap&gt;", line 986, in _gcd_import
            File "&lt;frozen importlib._bootstrap&gt;", line 969, in _find_and_load
            File "&lt;frozen importlib._bootstrap&gt;", line 958, in 
      _find_and_load_unlocked
            File "&lt;frozen importlib._bootstrap&gt;", line 673, in _load_unlocked
            File "&lt;frozen importlib._bootstrap_external&gt;", line 665, in exec_module
        File "&lt;frozen importlib._bootstrap&gt;", line 222, in _call_with_frames_removed
        File "C:\project\mysite\blog\urls.py", line 2, in &lt;module&gt;
          from . import views
        File "C:\project\mysite\blog\views.py", line 7, in &lt;module&gt;
          from .forms import EmailPostForm, CommentForm
        File "C:\project\mysite\blog\forms.py", line 16, in &lt;module&gt;
          class CommentForm(forms.ModelForm):
        File "C:\Python3.5.2\lib\site-packages\django\forms\models.py", line 257, in __new__
          raise FieldError(message)
      django.core.exceptions.FieldError: Unknown field(s) (body ) specified for     Comment
  </code></pre>