Materias Relacionadas - Custom Post

<div class="pagina-interna-imprensa__materias">
            <?php

            $related = get_posts( array( 'category__in' => wp_get_post_categories($post->ID), 'numberposts' => 2,'post_type' => 'imprensa', 'post__not_in' => array($post->ID) ) );
            if( $related ) foreach( $related as $post ) {
            setup_postdata($post); 
            ?>
            
            <h2>Matérias Relacionadas</h2>

            <div class="d-flex">
              <div class="item-materia-relacionada <?= $category_slug; ?>">
                <div class="foto-destaque">
                  <a href="<?php the_permalink(); ?>">
                    <img src="<?php echo(get_the_post_thumbnail_url($loop->post->ID)); ?>" alt="<?php echo($loop->post->post_title) ?>" title="<?php echo($loop->post->post_title) ?>">
                  </a>
                  <div class="data-materia">
                    <span>
                      <p>
                        <strong><?php echo get_the_date('j'); ?></strong>
                      </p>
                      <p>
                        <?php echo get_the_date('F'); ?>
                      </p>
                    </span>
                  </div><!-- /data-materia -->
                </div><!-- /foto-destaque -->

                <div class="item-materia-relacionada__titulo">
                  <div class="d-flex">
                    <div class="item-categoria">
                      <p><?php echo $category_name; ?></p>
                    </div><!-- /item-categoria -->

                    <div class="redes-imprensa">
                      <a href="#"><i class="fab fa-facebook-f"></i></a>
                      <a href="#"><i class="far fa-envelope"></i></a>
                    </div><!-- /redes-imprensa -->

                    <div class="item-titulo">
                      <a href="<?php the_permalink(); ?>">
                        <h3><?php the_title(); ?></h3>
                      </a> 
                    </div><!-- /item-titulo -->

                    <div class="item-autor">
                      <p><strong>Estadão</strong> - Vanessa Rabello</p>
                    </div><!-- /item-autor -->

                  </div><!-- /d-flex -->
                </div><!-- /item-materia-relacionada__titulo -->
              </div><!-- /item-materia-relacionada -->
                          
            </div><!-- /d-flex -->

            <div class="carregar-materias">
             <a href="<?php $categories = get_the_category();
              $category_link = get_category_link($categories[0]);
              echo esc_url($category_link); ?>">
                Carregar Mais
              </a>
            </div><!-- /carregar-materias -->

            <?php }
            wp_reset_postdata(); ?>

          </div><!-- /pagina-interna-imprensa__materias -->