Not Working condition

templates/posts/edit.html

@@ -0,0 +1,10 @@
+{%  extends "base.html" %}
+
+{%  block body %}
+    <h1>Neue Nachricht </h1>
+    <form method="POST">
+        {% csrf_token %}
+        {{ form.as_p }}
+        <button type="submit" class="save btn btn-default">Speichern</button>
+    </form>
+{%  endblock %}