ORACLE数据库实现自增

oracle trigger 报错ora-04098:触发器无效且未通过重新验证

-- Create sequence   建序列
create sequence ACCID_AUTOINCRE
minvalue 1
maxvalue 9999999999999999999999999999
start with 28391
increment by 1
nocache;

-- create TRIGGER  建触发器
create or replace trigger INSERT_ACCID_AUTOINCRE
before insert on TAIZHANG
for each row
begin
select accid_autoincre.nextval into :new.ACCID from dual;
end;