RMAN restore issues

hi !

I dont have control file autobackup , but only backup current control file which iam trying to restore  from tape backup but iam getting the following  errror :

I can see that the file is there from the database view  

MEDIA TAG START_TIME HANDLE
-------- ------------------------- ------------------- ----------------------------------------
TD4280 TAG20120825T232747 08/25/2012 23:27:51 bk_ctl_uifnjikrk_s6735_p1_t792286068

if i try to use the tag number it immediately fails with error  that controlfile should be restored using AUTO BACKUP command.

please help.

run {
set until logseq 26664 thread 1;
ALLOCATE CHANNEL t0 TYPE 'SBT_TAPE';
SEND 'NB_ORA_SERV=dotstoms100, NB_ORA_CLIENT=dotstodb101';