Look place of error:

backup database (!!!)
skip offline;

run
{
allocate channel t1 type 'sbt_tape' parms
'ENV=(DSMI_ORC_CONFIG=/tsm/cfg/clinical1_oracle.opt,
DSMO_FS=tsmob)';
backup database (no semicolon)
skip offline;
backup current controlfile;
release channel t1;
}
--------------------------------

backup database (!!!)
skip offline;