Can't Fix the No Reverse Error in Ajax

I am trying to use Ajax to submit a like button, I believe everything is in order but I keep getting django.urls.exceptions.NoReverseMatch: Reverse for 'like_post' with arguments '('',)' not found. 1 pattern(s) tried: ['score/like/(?P<pk>[0-9]+)$']

I am not sure what is the reason. Need help to identify the error.

Here is the view

class PostDetailView(DetailView):

    model = Post

    template_name = "post_detail.html"

    def get_context_data(self, *args, **kwargs):

        context = super(PostDetailView, self).get_context_data()

        stuff = get_object_or_404(Post, id=self.kwargs['pk'])

        total_likes = stuff.total_likes()

        liked = False

        if stuff.likes.filter(id=self.request.user.id).exists():

            liked = True

        context["total_likes"] = total_likes

        context["liked"] = liked

        return context

def LikeView(request, pk):

    # post = get_object_or_404(Post, id=request.POST.get('post_id'))

    post = get_object_or_404(Post, id=request.POST.get('id'))

    like = False

    if post.likes.filter(id=request.user.id).exists():

        post.likes.remove(request.user)

        like = False

    else:

        post.likes.add(request.user)

        like = True

    context["total_likes"] = total_likes

    context["liked"] = liked

    if request.is_ajax:

        html = render_to_string('like_section.html', context, request=request)

        return JsonResponse({'form': html})

Here is the url.py updated

urlpatterns = [

    path('user/<str:username>', UserPostListView.as_view(), name='user-posts'),

    path('', PostListView.as_view(), name='score'),

    path('who_we_Are/', who_we_are, name='who_we_are'),

    path('<int:pk>/', PostDetailView.as_view(), name='post-detail'),

    path('like/<int:pk>', LikeView, name='like_post'),

    path('new/', PostCreateView.as_view(), name='post-create'),

    path('<int:pk>/update/', PostUpdateView.as_view(), name='post-update'),

    path('<int:pk>/delete/', PostDeleteView.as_view(), name='post-delete')

]

here is the template

                        <form class="mt-0" action="{% url 'score:like_post' post.pk %}" method='POST'>

                            {% csrf_token %}

                            <strong> Likes: {{total_likes}} </strong> 

                            {% if user.is_authenticated %}

                            {% if liked %}

                                <button id='like' type='submit' name='post_id' class= "btn btn-danger btn-sm" 

value="{{post.id}}"> Unlike </button>                            

                            {% else %}

                                <button id='like' type='submit' name='post_id' class= "btn btn-primary btn-sm" 

value="{{post.id}}"> Like </button>                            

                            {% endif  %}

                            {% else %}

                            <p><small><a href="{% url 'login' %}"> Login</a> to Like </small></p>

                            {% endif %}                   

                        </form>   

here is the ajax

    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

    

    <script type="text/javascript">

        $(document).ready(function(event){

            $(document).on.('click','#like', function(event){

                event.preventDefault();

                $var pk= $(this).attr('value');

                $.ajax({

                    type:'POST',

                    url:'{% url "score:like_post" post.pk %}',

                    data:{'id': pk, 'csrfmiddlewaretoken':'{{csrf_token}}'},

                    dataType:'json', 

                    success:function(response){

                        $('#like-section').html(response['form'])

                        console.log($('#like-section').html(response['form']));                    

                    },

                    error:function(rs, e){

                        console.log(rs.responseText);                   

                    },

                });

            });

        });

    </script>

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