ошибка в РСВ

Prepare SQL: SELECT DISTINCT TARIF FROM 'C:\IBW85UETM\DATA\ZP\ZP_TAB\zp_tab21.dbf' WHERE ATTR02=2014 AND ATTR01<='6' AND TARIF IS NOT NULL AND TARIF<>'' AND TARIF<>'01' AND TARIF<>'МЕДТ' AND ATTR03<>'ПЕНС/С/СО' AND ATTR03<>'ПЕНС/С/И' ORDER BY TARIF ZP_BLW_RSV_2014.BLW :(1,546)
предприятие нулевое