Db2 udb dba

Hi
i am new to DB2 DBA.i need urgent help.i am using DB2 v9.7 on RHEL 5.5.
while i am creating the sequences in DB2 command mode it is giving the error like
invalid specification of an identity coloumn or sequence object reason code 2.
the syntax is
create sequence "ADMIN"."BOB_VALUE" minvalue 1 maxvalue 99999999999999999999999999999 increment by 1 start with 1000 no cache no order no cycle.
it is executing up to 9 digits.not more than 9"
SQLCODE:0846N SQLSTATE:42815
please do the needful any help will greatly appreciated......
thanks.............