'Invalid block tag : 'endblock'. Did you forget to register or load this tag?

l get stuck in this error. l'm fresh user of Django and l m learning it by following steps on Youtube channel. l did everything same but l got this block tag error. here is layout1 html content:

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>{ % block title %}{% endblock %}</title>
</head>
<body>
{ % block content %}   {% endblock %}
</body>
</html>

index html content:

{% extends "layout/layout1.html"%}


{% block title %}The Video page{% endblock %}


{ % block content %}


<h1>This is a html</h1>

<p>This is a p tag</p>

<a href="http://www.noobmovies.com">Click me!</a>
<img src="https://upload.wikimedia.org/wikipedia/en/7/72/Anthony_Raneri.jpg"/>

{% endblock % }

views.py content:

from django.template.response   import TemplateResponse


# Create your views here.
def video(request):

    return TemplateResponse (request,"video/index.html",{})

how can l handle this problem? as l did double-check to make sure everything is typed same like Youtube channel and normally ,l did not get where l did a mistake.

Solution 1:^[1]

Django didn't recognise your starting block tag, because you have a space between the { and the %.

You also have the same error in both start and end tags in the other template file.

Solution 2:^[2]

You simply have typos.

You should have {% not { %, and you got those typos in both of templates.

So you need to have

<!DOCTYPE html>
<html lang="en">

  <head>
    <meta charset="UTF-8">
    <title>{% block title %}{% endblock %}</title>
  </head>
  <body>
    {% block content %}   {% endblock %}
  </body>
</html>

and

{% extends "layout/layout1.html"%}


{% block title %}The Video page{% endblock %}


{% block content %}
  <h1>This is a html</h1>

  <p>This is a p tag</p>

  <a href="http://www.noobmovies.com">Click me!</a>
  <img src="https://upload.wikimedia.org/wikipedia/en/7/72/Anthony_Raneri.jpg"/>

{% endblock %}

NOTE: don't forget about identations in html files, it makes code more readable.

Solution 3:^[3]

If none of the previous answers worked for you, try the following:

You are most likely using a base.html file and have the static css being loaded on the top {% load static %} and the problem for me was that I needed to also load this in my other template file.

I'm using Django 2.0.3 and this solved the issue for me.

Solution 4:^[4]

For me it was emacs breaking the lines up when I copied the template over, so

{% endif

was on one line and

%}

was on the next line. These need to be together on one line, and

{{ variable_name }}

too.

Solution 5:^[5]

For me it was the issue of using i18n without putting the {% load i18n %} inside the template file (I only put it in the base template)

Solution 6:^[6]

For me the problem was with {% extends %}, it was extend.

Solution 7:^[7]

In your Html template, ensure you {% load static %} just after your {% block content %} before using it in the template

Solution 8:^[8]

In my case, {% csrf token %} instead of this {% csrf_token %} solved.

If you are missed _ (underscore) in code then also you will got this error.

Solution 9:^[9]

I got this error because I mixed up {% %} and {{ }}. I had:

<title>{% user.name %} ({% user.id %})</title>

When I should have had:

<title>{{ user.name }} ({{ user.id }})</title>

Solution 10:^[10]

in my case use {% load static %} after {% extends 'base.html' %} solved.

Solution 11:^[11]

Similar to @gal-bracha answer, for me the problem was caused by including a template inside another (through the {% include %} tag) and both templates making use of a {% trans "some text" %} tag. In this case, the {% load i18n %} must be written in both the including and in the included templates.

Solution 12:^[12]

Not to answer this specific question, but to share my case which gave the same error: In my case this same error been caused because I forgot to add the url in the link reference name:

href="{% url 'allblogs' %}".  worked.

while error was received when url was missed like below:

href="{% 'allblogs' %}". Error been generated.

Solution 13:^[13]

if you encounter this: Invalid block tag on line 172: 'endfor'. Did you forget to register or load this tag? Check: Any part of your code commented, check if {% endfor %} has been repeated. If it is repeated delete one especially the commented section. Thank you.

Solution 14:^[14]

in my case i used replaced {% csrf token %} with {% csrf_token %} and it seemed to work.

In any template that uses a POST form, use the csrf_token tag inside the <form> element if the form is for an internal URL, e.g.:

<form method="post">{% csrf_token %}

This should not be done for POST forms that target external URLs, since that would cause the CSRF token to be leaked, leading to a vulnerability.

Solution 15:^[15]

This also happens when you forget putting your phrase between quotes.

{% trans My phrase %}

instead of

{% trans "My phrase" %}

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution	Source
Solution 1	Daniel Roseman
Solution 2	vishes_shell
Solution 3	Felipe Alarcon
Solution 4	excyberlabber
Solution 5	Gal Bracha
Solution 6	Mohammad Khatibzadeh
Solution 7	Cryce Truly
Solution 8	shoaib21
Solution 9	Carcigenicate
Solution 10	Hashem Zargari
Solution 11	Claudio Finizio
Solution 12	HassanSh__3571619
Solution 13	The Elif
Solution 14	betelgeuse
Solution 15	Harman

'Invalid block tag : 'endblock'. Did you forget to register or load this tag?

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