Twig\Error\RuntimeError

Line 45 of /var/www/vhosts/muz.at/site/templates/parts/article-collection.html.twig

Impossible to invoke a method ("resize") on a null variable.

                                    <img src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="{{ picture.resize(478).url }}" alt="{{ picture.caption.html|raw }}" class="lazyload grid-image"/>
                                </picture>
                            </figure>
                        {% elseif article_style == 'wider' %}
                            <figure class="article-item__image article-item__image--desktop">
                                <picture>
                                    <source media="(min-width: 900px)" data-srcset="{{ picture.resize(598).url }} 1x, {{ picture.resize(1196, null, 40).url }} 2x">
                                    <source data-srcset="{{ picture.focusCrop(588, 460).url }} 1x, {{ picture.focusCrop(1176, 920, null, {'quality': 40}).url }} 2x">
                                    <img src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="{{ picture.resize(598).url }}" alt="{{ picture.caption.html|raw }}" class="lazyload grid-image"/>
                                </picture>
                            </figure>
                        {% endif %}