Twig\Error\RuntimeError

Line 26 of /var/www/vhosts/felder-metall.com/site/templates/blocks/block--text.html.twig

Impossible to access an attribute ("isNotEmpty") on a null variable.

                <div class="block-text__title {% if block.picture.isNotEmpty %}heading-3{% else %}heading-2{% endif %}">
                    {{ block.title_long.kirbytext|raw }}
                </div>
                <div class="block-text__description font-regular">
                    {{ block.text.kirbytext|raw }}

                    {% if link.isNotEmpty %}
                        <a href="{{ link }}"
                           class="block-text__link button" {% if link.popup == true %} target="_blank" rel="noopener"{% endif %}>
                            {{ link.text() }}
                        </a>
                    {% endif %}
                </div>