Error Loading Portfolio Parts

<?php
/* Template Name: Portfolio Page */
?>

<?php get_header(); ?>
<!-- "inserts" header.php --> 

<section class="row">
      <div class="small-12 columns text-center">
        <div class="leader">

        <!-- start the loop -->
        <?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>

            <h1><?php the_title(); ?></h1>

            <?php the_content(); ?>

        <!-- end while, start else -->
        <?php endwhile; endif; ?>

        </div>
      </div>
</section>

<?php
    $args = array(
                'post_type' => 'portfolio'
    );
    $query = new WP_Query( $args );
?>

<section class="row no-max pad">


    <!-- start the loop -->
    <?php if( $query->have_posts() ) : while( $query->have_posts() ) : $query->the_post; ?>

<div class="small-6 medium-4 large-3 coulmns grid-item">
    <a href="<?php the_permalink(); ?>"><?php the_post_thumbnail('large'); ?></a>
</div> 

    <!-- close the loop -->
    <?php endwhile; endif; wp_reset_postdata; ?>


</section>

<?php get_footer(); ?>
<!-- "inserts" footer.php -->

?>