Django: GET /getMessages// HTTP/1.1" 404 2987

I am following a Django tutorial video on how to create a simple chat room. When I want to create a new room, a pop-up alert says "An error occurred". Couldn't figure out what went wrong.

Errors:

home.html

room.html

urls.py

from django.urls import path
from . import views

urlpatterns = [
path('', views.home, name='home'),
path('<str:room>/', views.room, name='room'),
path('checkview', views.checkview, name='checkview')
> ]

views.py

from django.shortcuts import render, redirect
from chat.models import Room, Message

# Create your views here.
def home(request):
    return render(request, 'home.html')


def room(request, room):
    return render(request, 'room.html')


def checkview(request):
    room = request.POST['room_name']
    username = request.POST['username']

    if Room.objects.filter(name=room).exists():
        return redirect('/'+room+'/?username='+username)
    else:
        new_room = Room.objects.create(name=room)
        new_room.save()
        return redirect('/'+room+'/?username='+username)

models.py

from django.db import models
from datetime import datetime


# Create your models here.
class Room(models.Model):
    name = models.CharField(max_length=1000)


class Message(models.Model):
    value = models.CharField(max_length=1000000)
    date = models.DateTimeField(default=datetime.now, blank=True)
    user = models.CharField(max_length=1000000)
    room = models.CharField(max_length=1000000)
  1. check the form in your template html file to make sure the form tag is added correctly. For example, it should look like this:
<form method="POST" action="/checkview">
 {% csrf_token %}
...
</form>
  1. make change in urls:

path('checkview/', views.checkview, name='checkview'),

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