The View shortcode doesn't show

The code:

<main class="max-x-3xl mx-auto p-4">
{% for post in query.posts %}
<div class="flex mb-6 border border-gray-400 rounded">
<div class="flex-1 p-4">
<h2> {{ post.title }}</h2>
{{ post.data_ora_inizio | date( 'd/m/Y' ) }} - {{ post.citta.label }}
<div class = "mt-3">
{{ post.content }}
</div>
</div>
</div>
{% endfor %}

{{ mb.get_the_posts_pagination() }}
</main>

and the settings:

settings