Duplicating Oracle 11g Database using Active database option

We have run below command in  Rman Oracle database 11g it s showing error how to fix this issues?

RMAN> run{

2> allocate channel prmy1 type disk;

3> allocate channel prmy2 type disk;

4> allocate auxiliary channel stby type disk;

5> DUPLICATE TARGET DATABASE

6>   FOR STANDBY

7>   FROM ACTIVE DATABASE

8>   DORECOVER

9>   SPFILE

10>     set db_unique_name='express2'

11>     set control_files='E:\app\Administrator\oradata\express2\CONTROL02.ctl'

12>     set log_archive_max_processes='5'

13>     set fal_client='express2'

14>     set fal_server='express1'

15>     set log_archive_dest_2='service=express1 ASYNC valid_for=(ONLINE_LOGFILE

,PRIMARY_ROLE) db_unique_name=express1'

16>   NOFILENAMECHECK;

17> }

using target database control file instead of recovery catalog