While trying to kill a blackout with SQL> exec mgmt_diag.KillBlackout(HEXTORAW('30E4DFA2017AD9E4399D

SQL> conn sysman/***********

Connected.

SQL> exec mgmt_diag.KillBlackout(HEXTORAW('30E4DFA2017AD9E4399D2881B4D7E021'));

BEGIN mgmt_diag.KillBlackout(HEXTORAW('30E4DFA2017AD9E4399D2881B4D7E021')); END;

      *

ERROR at line 1:

ORA-06550: line 1, column 7:

PLS-00201: identifier 'MGMT_DIAG.KILLBLACKOUT' must be declared

ORA-06550: line 1, column 7:

PL/SQL: Statement ignored

I have diagkit Installed . Please guide me what i am missing here .

Thanks

Bhabagrahi