title: django-bootstrap3 Parameter "field" should contain a valid Django BoundField?
body: <p>I am using django-bootstrap3 to render my forms on the template and i have been struggling to find what is causing the error <code>Parameter "field" should contain a valid Django BoundField</code> when i try to load the page with the form on it. I have attached my code and error below. can someone please point for me what i'm doing wrong?</p>
  
  <p>forms.py</p>
  
  <pre><code>class OrderForm(forms.Form):
      first_name = forms.CharField(max_length=50)
      last_name = forms.CharField(max_length=50)
      email = forms. EmailField(max_length=50)
      institution_name = forms.CharField(max_length=150)
      phone = forms.IntegerField()
      address = forms.CharField(max_length=100)
      city = forms.CharField(max_length=50)
      item = forms.CharField(max_length=100)
      serial_number = forms.CharField(max_length=50)
      problem = forms.CharField(widget=forms.Textarea(attrs—Crows':10,'cols':18,'style':'resize:none',  [placeholder':'Please define your problem here'l),label='Problem description')
      [placeholder':'Please define your problem here'l),label='Problem description')
  </code></pre>
  
  <p>views.py
  <pre><code>
  def Orderview(request):
      if request.method == 'Post':
          order_form = OrderForm(request.POST)</p>
  
  <code>    if order_form.is_valid():
          cd = order form.cleaned data
  
  
          subject = '{} repair order from {}'.format(cd['item'],cd['institution_name']) 
  
          from_email = cd['email']
  
          to = [settings.EMAIL_HOST_USER,]
  
          ctx = {
    'first_name':cd['first_name'],
    'last_name':cd['last_name'], 
    'email':cd['email'],
    'institution_name':cd['institution_name'],
    'phone':cd['phone'],
    'address':cd['address'], 
    'city':cd['city'],
    'item':cd['item'],
    'serial_number.:cd['serial_number'],
    'problem':cd['problem'],
  
                 }
  
            message = get_template('electroapp/email/order.html').render(Context(ctx)) 
            msg = EmailMessage(subject,message,to=to,from_email=from_email) 
            msg.content_subtype='html'
            msg.send()
  
            messages.success(request,' Your Repair order has been sent',) 
  
            return redirect('electroapp:repair_order')
  
  
  
    else:
        order_form = OrderForm() 
  
    return render(request,'electroapp/orderform.html',{'Order_form':order_form})
  </code></pre>
  
  <p></code>
  </p>
  
  <p>template
  <a href="https://i.stack.imgur.com/QwDGl.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/QwDGl.png" alt="template file"></a></p>
  
  <p>browser error
  <a href="https://i.stack.imgur.com/ccQ7v.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ccQ7v.png" alt="enter image description here"></a></p>
  
  <p>console logs
  <a href="https://i.stack.imgur.com/YUiwF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YUiwF.png" alt="console error logs"></a></p>