Error en mysql: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-25, 25' at line 8select, f.usuari_id, f.pare_id, f.titol, UNIX_TIMESTAMP(f.data_creacio) data_creacio, f.pare_inicial_id from rec_forum f, rec_usuaris u where f.pare_id=0 and f.pare_inicial_id!=0 and = f.usuari_id and u.estat = 'A' order by f.data_creacio desc limit -25, 25