Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'valdessources.cp.id_product_attribute' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
SELECT cp.`id_product_attribute`, cp.`id_product`, cu.`id_customization`, cp.`quantity` cart_quantity, cu.`quantity` customization_quantity, pl.`name`, pl.`description_short`, pl.`available_now`, pl.`available_later`, p.`id_product`, p.`id_category_default`, p.`id_supplier`, p.`id_manufacturer`, p.`on_sale`, p.`ecotax`, p.`additional_shipping_cost`, p.`available_for_order`, p.`quantity`, p.`price`, p.`weight`, p.`width`, p.`height`, p.`depth`, p.`out_of_stock`, p.`active`, p.`date_add`, p.`date_upd`, IFNULL(pa.`minimal_quantity`, p.`minimal_quantity`) minimal_quantity, t.`id_tax`, tl.`name` tax, t.`rate`, pa.`price` price_attribute, pa.`quantity` quantity_attribute, pa.`ecotax` ecotax_attr, pl.`link_rewrite`, cl.`link_rewrite` category, IF (IFNULL(pa.`reference`, '') = '', p.`reference`, pa.`reference`) reference, IF (IFNULL(pa.`supplier_reference`, '') = '', p.`supplier_reference`, pa.`supplier_reference`) supplier_reference, (p.`weight`+ pa.`weight`) weight_attribute, IF (IFNULL(pa.`ean13`, '') = '', p.`ean13`, pa.`ean13`) ean13, IF (IFNULL(pa.`upc`, '') = '', p.`upc`, pa.`upc`) upc, pai.`id_image` pai_id_image, il.`legend` pai_legend FROM `ps_cart_product` cp LEFT JOIN `ps_product` p ON p.`id_product` = cp.`id_product` LEFT JOIN `ps_product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = 2) LEFT JOIN `ps_product_attribute` pa ON (pa.`id_product_attribute` = cp.`id_product_attribute`) LEFT JOIN `ps_tax_rule` tr ON (p.`id_tax_rules_group` = tr.`id_tax_rules_group` AND tr.`id_country` = 8 AND tr.`id_state` = 0) LEFT JOIN `ps_tax` t ON (t.`id_tax` = tr.`id_tax`) LEFT JOIN `ps_tax_lang` tl ON (t.`id_tax` = tl.`id_tax` AND tl.`id_lang` = 2) LEFT JOIN `ps_customization` cu ON (cp.`id_product` = cu.`id_product` AND cp.`id_product_attribute` = cu.`id_product_attribute` AND cu.`id_cart` = cp.`id_cart`) LEFT JOIN `ps_product_attribute_image` pai ON (pai.`id_product_attribute` = pa.`id_product_attribute`) LEFT JOIN `ps_image_lang` il ON (il.`id_image` = pai.`id_image` AND il.`id_lang` = 2) LEFT JOIN `ps_category_lang` cl ON (p.`id_category_default` = cl.`id_category` AND cl.`id_lang` = 2) WHERE cp.`id_cart` = 5461 AND p.`id_product` IS NOT NULL GROUP BY CONCAT(cp.`id_product`, '_', cp.`id_product_attribute`) ORDER BY cp.date_add ASC