Errore:
SELECT * FROM t_customer,t_country,t_hotels WHERE t_customer.customer_code = t_hotels.customer_code AND t_hotels.publish='Y' AND t_hotels.lang_id=t_country.lang_id AND t_customer.country_code=t_country.country_code AND t_customer.active='Y' AND t_country.lang_id= GROUP BY t_customer.country_code ORDER BY t_country.country_name ASC