Structured data - one last error

function x_renew_comment( $comment, $args, $depth ) {

    $GLOBALS['comment'] = $comment;
    switch ( $comment->comment_type ) :
      case 'pingback' :  // 1
      case 'trackback' : // 1
    ?>
    <li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
      <p><?php _e( 'Pingback:', '__x__' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', '__x__' ), '<span class="edit-link">', '</span>' ); ?></p>
    <?php
        break;
      default : // 2
      GLOBAL $post;
      if ( X_WOOCOMMERCE_IS_ACTIVE ) :
        $rating = esc_attr( get_comment_meta( $GLOBALS['comment']->comment_ID, 'rating', true ) );
      endif;
      if ( x_is_product() ) {
        $comment_avatar = get_avatar( $comment, 240 );
      } else {
        $comment_avatar = get_avatar( $comment, 120 );
      }
    ?>
    <li id="li-comment-<?php comment_ID(); ?>" itemprop="review" itemscope itemtype="http://schema.org/Review" <?php comment_class(); ?>>
      <article id="comment-<?php comment_ID(); ?>" class="comment">
      <div class="visually-hidden" itemprop="itemReviewed" itemscope itemtype="http://schema.org/Product">
          <span itemprop="name"><?php the_title(); ?></span>
        </div>
        <?php
        printf( '<div class="x-comment-img">%s</div>',
          '<span class="avatar-wrap cf">' . $comment_avatar . '</span>'
        );
        ?>
        <?php if ( ! x_is_product() ) : ?>
        <div class="x-reply">
          <?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply <span class="comment-reply-link-after"><i class="x-icon-reply" data-x-icon="&#xf112;"></i></span>', '__x__' ), 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
        </div>
        <?php endif; ?>
        <div class="x-comment-wrap">
          <header class="x-comment-header">
            <?php
            printf( '<cite class="x-comment-author" itemprop="author">%1$s</cite>',
              get_comment_author_link()
            );
            if ( x_is_product() && get_option('woocommerce_enable_review_rating') == 'yes' ) : ?>
              <div class="star-rating-container">
                <div itemprop="reviewRating" itemscope itemtype="http://schema.org/Rating" class="star-rating" title="<?php echo sprintf( __( 'Rated %d out of 5', '__x__' ), $rating ) ?>">
              <span style="width:<?php echo ( intval( get_comment_meta( $GLOBALS['comment']->comment_ID, 'rating', true ) ) / 5 ) * 100; ?>%"><strong itemprop="ratingValue"><?php echo intval( get_comment_meta( $GLOBALS['comment']->comment_ID, 'rating', true ) ); ?></strong> <?php _e( 'out of 5', '__x__' ); ?></span>
              </div>
            <?php endif;
            printf( '<div><a href="%1$s" class="x-comment-time"><time itemprop="datePublished" datetime="%2$s">%3$s</time></a></div>',
              esc_url( get_comment_link( $comment->comment_ID ) ),
              get_comment_time( 'c' ),
              sprintf( __( '%1$s at %2$s', '__x__' ),
                get_comment_date( 'm.d.Y' ),
                get_comment_time()
              )
            );
            edit_comment_link( __( '<i class="x-icon-edit" data-x-icon="&#xf044;"></i> Edit', '__x__' ) );
            ?>
          </header>
          <?php if ( '0' == $comment->comment_approved ) : ?>
            <p class="x-comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', '__x__' ); ?></p>
          <?php endif; ?>
          <section class="x-comment-content" itemprop="description">
            <?php comment_text(); ?>
          </section>
        </div>
      </article>
    <?php
        break;
    endswitch;

  }