HTMLにおけるDid you forget to register or load this tag?エラー

前提

書籍に従ってDjangoを用いてアプリを開発しています。
HTMLのコードにおいてエラーが出てしまいます。

実現したいこと

発生している問題・エラーメッセージ

Invalid block tag on line 20: 'endblock'. Did you forget to register or load this tag?

該当のソースコード

HTML
1index.html ---------------------------------------------------------------
2
3
4{% extends 'base.html' %}
5
6{% load static %)
7{% block title %}Web上にあなた専用の日記ぺ－ジを保存できるサービス|Private Diary{% endblock %}
8
9{% block header %)
10<header class="masthead text-center text-white">
11    <div class="masthead-content">
12        <div class="container">
13            <h1 class="masthead-heading mb-6">Private Diary</h1>
14            <h2 class="masthead-subheading mb-8"> あなた専用の日記サービス</h2>
15            <a href="#" class="btn btn-primary btn-xl rounded-pille mt-5">LOG IN</a>
16        </div>
17    </div>
18    <div class="bg-circle-1 bg-circle"></div>
19    <div class="bg-circle-2 bg-circle"></div>
20    <div class="bg-circle-3 bg-circle"></div>
21    <div class="bg-circle-4 bg-circle"></div>
22</header>
23{% endblock %}
24
25{% block contents %}
26<section>
27    <div class="container">
28        <div class="row align-items-center">
29            <div class="col-lg-6 order-lg-2">
30                <div class="p-5">
31                    <img class="img-fluid rounded-circle" src="{% static 'assets/img/01.jpg' %}" alt="">
32
33                </div>
34            </div>
35            <div class="col-lg-6 order-lg-1">
36                <div class="p-5">
37                    <h2 class="display-4">Web Diary</h2>
38                    <p>Web上で作成/編集/削除ができる日記</p>
39                </div>
40            </div>
41        </div>
42    </div>
43</section>
44
45<section>
46    <div class="container">
47        <div class="row align-items-center">
48            <div class="col-lg-6">
49                <div class="p-5">
50                    <img class="img-fluid rounded-circle" src="{% statica 'assets/img/02.jpg' %}" alt="">
51
52                </div>
53            </div>
54            <div class="col-lg-6">
55                <div class="p-5">
56                    <h2 class="display-4">Save Your Diary</h2>
57                    <p>あなたの日記をWebに保存</p>
58                </div>
59            </div>
60        </div>
61    </div>
62</section>
63<section>
64    <div class="container">
65        <div class="row align-items-center">
66            <div class="col-lg-6 order-lg-2">
67                <div class="p-5">
68                    <img class="img-fluid rounded-circle" src="{% static 'assets/img/03.jpg' %}" alt="">
69                </div>
70            </div>
71            <div class="col-lg-6 order-lg-1">
72                <div class="p-5">
73                    <h2 class="display-4">Membership System</h2>
74                    <p>会員制のWeb日記サービス</p>
75                </div>
76            </div>
77        </div>
78    </div>
79</section>
80{% endblock %}
81
82
83
84base.html---------------------------------------------------------------------------------------------------------
85
86
87{% load static %}
88
89<html lang="ja">
90<head>
91    <meta charset="utf-8">
92    <meta name="viewport" content="width=device-width, initial-scale=1 , shrink-to-fit=no">
93    <meta name="description" content="">
94    <meta name="author" content="">
95    <title>{% block title %}{% endblock %}</title>
96    <link rel="icon" type="image/x-icon" href="{% static - 'assets/favicon.ico' %}" />
97<!-- Font Awesome icons (free version)-->
98    <script src="https://use.fontawesome.com/releases/v5.15.3/js/all.je s" crossorigin="anonymous"></script>
99<!-- Google fonts-->
100    <link href="https://fonts.googleapis.com/css?family=Catamaran: 1002 ,200,300,400,500,600,700,800,900" rel="stylesheet" />
101    <link href="https://fonts.googleapis.com/css?family=Lato: 100, 1001, 2 300,3001,400,4001,700,7001,900,900i" rel="stylesheet" />
102<!-- Core theme CSS (includes Bootstrap)-->
103    <link href="{% static 'css/one-page-wonder.css' %}" rel= "stylesheet" />
104<!-- My style -->
105    <link rel="stylesheet" type="text/css" href="{% static'css/mystyle.css' %}">
106    {% block head %} {% endblock %}
107</head>
108<body>
109    <div id="wrapper">
110<!-- Navigation -->
111        <nav class="navbar navbar-expand-lg navbar-dark navbar-custom fixed-top">
112            <div class="container px-5">
113                <a class="navbar-brand" href="[% url 'diary: index '%}">PRIVATE ĐIARY</a>
114                <button class="navbar-toggler" type="button" data-bs-toggle ="collapse" data-bs-target="#navbarResponsive" aria-controls="navba rResponsive" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span></button>
115                <div class="collapse navbar-collapse" id="navbarResponsive">
116                    <ul class="navbar-nav me-auto">
117                        <li class="nav-item">
118                            <a class="nav-link {% block active_inquiry %}{2 %endblock %}" href="#">INQUIRY</a>
119                        </li>
120                    </ul>
121                    <ul class="navbar-nav ms-auto">
122                        <li class="nav-item">
123                            <a class="nav-link" href="#">Sign Up</a>
124                        </li>
125                        <li class="nav-item">
126                            <a class="nav-link" href="#">Log In</a>
127                        </li>
128                    </ul>
129                </div>
130            </div>
131        </nav>
132
133        {% block header %}{% endblock %}
134
135        {% block contents %}{% endblock %}
136<!-- Footer -->
137        <footer class="py-5 bg-black">
138<div class="container px-5">
139    <p class="m- text-center textwhite small">Copyright &copy; Private Đairy 2021</p></div>
140        </footer>
141<!-- Bootstrap core JS-->
142        <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.0/dist/ js/bootstrap.bundle.min.js"></script>
143    </div>
144    </body>
145</html>