Advanced custom fields on WooCommerce

Hi
I want to use plugin Advanced custom fields on WooCommerce. I want to add Relationship to Cart/Basket. After entering the code in basket i get white page.

Help me!!! 🙂

My code

<?php
		$counter = 0;
		$posts = get_field('pasujace_butelki');
		$lenght = count($posts) -1;
		if( $posts ): ?>
		<div id="Carousel" class="carousel slide" data-interval="false">
		<div class="carousel-inner">
			<?php foreach( $posts as $p ): ?>

			<?php if( $counter % 6 == 0): ?>
			<div class="item <?php if ($counter == 0): ?>active<?php endif; ?>">
			<div class="row">
			<?php endif; ?>

			   <div class="col-xs-2 col-sm-2 col-lg-2 col-md-2" style="padding:0px;padding-right:10px;">
					<a href="<?php echo get_permalink( $p->ID ); ?>"><?php echo get_the_post_thumbnail( $p->ID, array()); ?></span></a>
				</div>

			<?php if($counter == $lenght || $counter % 6 == 5): ?>
			</div>
			</div>
			<?php endif; ?>

			<?php $counter++; ?>
			<?php endforeach; ?>

		</div><!--.carousel-inner-->
			<a data-slide="prev" href="#Carousel" class="left carousel-control"><div class="left_arrow_small"></div></a>
			<a data-slide="next" href="#Carousel" class="right carousel-control"><div class="right_arrow_small"></div></a>
		</div><!--.Carousel-->
		<?php endif; ?>