Pq essa tabela nao roda?

CREATE TABLE BF_CANAL(
  CD_CANAL       VARCHAR2(3 BYTE)  NOT NULL,
  DS_CANAL        VARCHAR2(35 BYTE),
  CD_STATUS       NUMBER(2)    NOT NULL,
);


ALTER TABLE BF_CANAL ADD (
  CONSTRAINT CANAL_PK
 PRIMARY KEY
 (CD_CANAL));