Twig\Error\RuntimeError

Line 1 of /var/www/vhosts/felder-edelstahlpools.com/httpdocs/site/templates/blocks/block--image.html.twig

Key "0" does not exist as the sequence/mapping is empty.

{% set image = block.image(block.picture.yaml.0) %}

{% if image is not null %}
    <div class="block-image__wrapper">
        <figure class="block-image u-full-size-image u-full-size-image--content">
            {% include '@templates/parts/full-size-image.html.twig' with {'extra_class': ''} %}
        </figure>