Interactive Sql Ошибка В Тригере

[labuda]

SET TERM ^;
CREATE TRIGGER OpaDnevnick FOR Dnevnick
ACTIVE BEFORE INSERT
AS
BEGIN
IF (NEW.ID IS NULL) THEN
NEW.ID = GEN_ID(Gen_DNEVNICK, 1);
IF ((NEW.TIP IS NULL) OR (NEW.TIP = '')) THEN
NEW.TIP = 'Текущая';
END^
SET TERM;^
COMMIT;

выдаёт ошибку в коде