Do you know maybe what files I should check?
I know that happen if I add related product:/
Edit.
I think something is wrong in product.tpl from /templates/catalog/_partials/miniatures
{** * Copyright since 2007 PrestaShop SA and Contributors * PrestaShop is an International Registered Trademark & Property of PrestaShop SA * * NOTICE OF LICENSE * * This source file is subject to the Academic Free License 3.0 (AFL-3.0) * that is bundled with this package in the file LICENSE.md. * It is also available through the world-wide-web at this URL: * https://opensource.org/licenses/AFL-3.0 * If you did not receive a copy of the license and are unable to * obtain it through the world-wide-web, please send an email * to [email protected] so we can send you a copy immediately. * * DISCLAIMER * * Do not edit or add to this file if you wish to upgrade PrestaShop to newer * versions in the future. If you wish to customize PrestaShop for your * needs please refer to https://devdocs.prestashop.com/ for more information. * * @author PrestaShop SA and Contributors <contact@prestashop.com> * @copyright Since 2007 PrestaShop SA and Contributors * @license https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0) *} {if !isset($column_val)} {$column_val = 'col-lg-3 col-md-4 col-xs-12'} {/if} {block name='product_miniature_item'} <!-- shop-section start --> <div class="{$column_val} shop-block-one product-miniature js-product-miniature" data-id-product="{$product.id_product}" data-id-product-attribute="{$product.id_product_attribute}"> <div class="inner-box product"> <div class="product_inside thumbnail-container"> {block name='product_thumbnail'} {if $product.cover} <figure class="image-box"> <a href="{$product.url}" class="thumbnail product-thumbnail"> <img data-src="{$product.cover.bySize.home_default.url}" alt="{if !empty($product.cover.legend)}{$product.cover.legend}{else}{$product.name|truncate:30:'...'}{/if}" class="lazy" data-full-size-image-url="{$product.cover.large.url}"/> </a> {include file='catalog/_partials/product-flags.tpl'} <ul class="info-list clearfix"> <li> {block name='quick_view'} <a href="{$product.url}"> <i class="material-icons search"></i> {l s='Zobacz' d='Shop.Theme.Actions'} </a> {/block} </li> </ul> </figure> {else} <figure class="image-box"> <a href="{$product.url}" class="thumbnail product-thumbnail"> <img data-src="{$urls.no_picture_image.bySize.home_default.url}" class="lazy" /> </a> {include file='catalog/_partials/product-flags.tpl'} <ul class="info-list clearfix"> <li> {block name='quick_view'} <a href="{$product.url}"> <i class="material-icons search"></i> {l s='Zobacz' d='Shop.Theme.Actions'} </a> {/block} </li> </ul> </figure> {/if} {/block} <div class="lower-content"> {block name='product_name'} {if $page.page_name == 'index'} <h2 class="title"><a href="{$product.url}" itemprop="url" content="{$product.url}">{$product.name|truncate:50:'...'}</a></h2> {else} <h2 class="title"><a href="{$product.url}" itemprop="url" content="{$product.url}">{$product.name|truncate:50:'...'}</a></h2> {/if} {/block} {block name='product_price_and_shipping'} {if $product.show_price} <div class="theme-price-and-shipping"> {if $product.has_discount} {hook h='displayProductPriceBlock' product=$product type="old_price"} <span class="regular_price" aria-label="{l s='Regular price' d='Shop.Theme.Catalog'}">{$product.regular_price}</span> {if $product.discount_type === 'percentage'} <span class="discount-percentage discount-product">{$product.discount_percentage}</span> {elseif $product.discount_type === 'amount'} <span class="discount-amount discount-product">{$product.discount_amount_to_display}</span> {/if} {/if} {hook h='displayProductPriceBlock' product=$product type="before_price"} <span class="price" aria-label="{l s='Price' d='Shop.Theme.Catalog'}"> {capture name='custom_price'}{hook h='displayProductPriceBlock' product=$product type='custom_price' hook_origin='products_list'}{/capture} {if '' !== $smarty.capture.custom_price} {$smarty.capture.custom_price nofilter} {else} {$product.price} {/if} </span> {hook h='displayProductPriceBlock' product=$product type='unit_price'} {hook h='displayProductPriceBlock' product=$product type='weight'} </div> {/if} {/block} {block name='product_man'} {if isset($product.manufacturer_name)}<span class="product_manufacturer_name"> {l s='Producent: '} <a href="https://vidos-domofony.pl/">{$product->manufacturer_name|escape:'htmlall':'UTF-8'}</span>{/if} {/block} {block name='product_description_short'} <div id="product-description-short-{$product.id}" class="product-content" itemprop="description">{$product.description_short nofilter}</div> {/block} <div class="pro_desc_short">{$product.description_short nofilter}</div> <div class="product_inside_hover"> {block name='product_variants'} {if $product.main_variants} {include file='catalog/_partials/variant-links.tpl' variants=$product.main_variants} {/if} {/block} {block name='product_buy'} <div class="product-addition"> <form action="{$urls.pages.cart}" method="post" id="add-to-cart-or-refresh"> <input type="hidden" name="token" value="{$static_token}"> <input type="hidden" name="id_product" value="{$product.id}" id="product_page_product_id"> {block name='product_add_to_cart'} {include file='catalog/_partials/product-add-to-cart.tpl'} {/block} </form> </div> {/block} </div> {block name='product_reviews'} {hook h='displayProductListReviews' product=$product} {/block} </div> </div> </div> </div> <!-- shop-section end --> {/block}