Impossibile eseguire la query SELECT 
								CONCAT(
								IF(DS.id IS NULL,'',DS.id),
								IF(DS1.id IS NULL,'',DS1.id),
								IF(DS2.id IS NULL,'',DS2.id),
								IF(DS3.id IS NULL,'',DS3.id),
								IF(DS4.id IS NULL,'',DS4.id),
								IF(DS5.id IS NULL,'',DS5.id)) AS id_scheda
								FROM rel_scheda_categoria AS RC
								
								LEFT JOIN info_companies AS DS ON (RC.id_scheda=DS.id AND DS.link_scheda LIKE 'ca\' dei conti')
								LEFT JOIN info_guide_lang AS DS1 ON (RC.id_scheda=DS1.id AND DS1.id_lingua=4 AND DS1.link_scheda LIKE 'ca\' dei conti')
								LEFT JOIN info_sottoguide_lang AS DS2 ON (RC.id_scheda=DS2.id AND DS2.id_lingua=4 AND DS2.link_scheda LIKE 'ca\' dei conti')
								LEFT JOIN info_eventi AS DS3 ON (RC.id_scheda=DS3.id AND DS3.id_lingua=4 AND DS3.link_scheda LIKE 'ca\' dei conti')
								LEFT JOIN info_focus AS DS4 ON (RC.id_scheda=DS4.id AND DS4.id_lingua=4 AND DS4.link_scheda LIKE 'ca\' dei conti')
								LEFT JOIN info_itinerari AS DS5 ON (RC.id_scheda=DS5.id AND DS5.id_lingua=4 AND DS5.link_scheda LIKE 'ca\' dei conti')
								
								JOIN rel_scheda_categoria AS RC2 ON ( RC.id_scheda=RC2.id_scheda AND RC2.id_categoria IN ('19912','21514'))
								JOIN scheda AS SK ON RC.id_scheda=SK.id
								
								WHERE
									RC.id_categoria IN ('19912','21514') 
									AND RC2.id_categoria!=RC.id_categoria
									AND (
										DS.id IS NOT NULL OR
										DS1.id IS NOT NULL OR
										DS2.id IS NOT NULL OR
										DS3.id IS NOT NULL OR
										DS4.id IS NOT NULL OR
										DS5.id IS NOT NULL
									)
									AND SK.abilitato='y'
								GROUP BY DS.id,DS1.id,DS2.id,DS3.id,DS4.id,DS5.id
								ORDER BY RC.id_scheda Out of resources when opening file './portale/scheda.MYD' (Errcode: 24)