1055 Expression #8 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'ak039197_gsdgrb.s.status' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
in:
[SELECT DISTINCT p.products_id, p.products_type, p.master_categories_id, p.manufacturers_id, p.products_price, p.products_tax_class_id, pd.products_description, IF(s.status = 1, s.specials_new_products_price, NULL) as specials_new_products_price, IF(s.status =1, s.specials_new_products_price, p.products_price) as final_price, p.products_sort_order, p.product_is_call, p.product_is_always_free_shipping, p.products_qty_box_status FROM products p LEFT JOIN specials s on p.products_id = s.products_id LEFT JOIN products_description pd on p.products_id = pd.products_id JOIN products_to_categories p2c on p.products_id = p2c.products_id WHERE p.products_status = 1 and pd.language_id = '1' and p2c.categories_id = '15' GROUP BY p.products_id ]