Errore sul database di WordPress: [Not unique table/alias: 'icl_t']
SELECT t.term_id FROM hpo2AP_terms AS t INNER JOIN hpo2AP_term_taxonomy AS tt ON t.term_id = tt.term_id LEFT JOIN hpo2AP_icl_translations icl_t ON icl_t.element_id = tt.term_taxonomy_id AND icl_t.element_type IN ('tax_product_shipping_class') LEFT JOIN hpo2AP_icl_translations icl_t ON icl_t.element_id = tt.term_taxonomy_id AND icl_t.element_type IN ('tax_product_shipping_class') WHERE tt.taxonomy IN ('product_shipping_class') AND ( ( icl_t.element_type IN ('tax_product_shipping_class') AND ( icl_t.language_code = 'it' OR 0 ) ) OR icl_t.element_type NOT IN ('tax_product_shipping_class') OR icl_t.element_type IS NULL ) AND ( ( icl_t.element_type IN ('tax_product_shipping_class') AND ( icl_t.language_code = 'it' OR 0 ) ) OR icl_t.element_type NOT IN ('tax_product_shipping_class') OR icl_t.element_type IS NULL ) ORDER BY t.name ASC