Unknown column 'grado' in 'order clause'<br>SELECT i.PKimprenta, i.imprenta, l.localidad  FROM imprentas i INNER JOIN localidades l ON i.FKlocalidad = l.PKlocalidad WHERE 1  and (i.imprenta like '%1%' or l.localidad like '%1%') 
		group by  i.PKimprenta
		order by  grado limit 0,16