ORA-20000

I have error:

D:\oracle\client112040\BIN>schagent -registerdatabase dwh.prod.local 8080
Agent Registration Password ? ***********

ERROR: Connecting to: http://dwh.prod.local:8080/remote_scheduler_agent/register_agent. java.io.IOException: Server returned HTTP response code: 401 for URL: http://dwh.prod.local:8080/remote_scheduler_agent/register_agent2

Cause:
Agent DAD is not installed.

Action:
Run the script prvtrsch.plb with following command:

SQL> @?/rdbms/admin/prvtrsch.plb

Set a registration password for the Scheduler agents using the SET_AGENT_REGISTRATION_PASS procedure.

The following example sets the agent registration password to mypassword.

BEGIN
  DBMS_SCHEDULER.SET_AGENT_REGISTRATION_PASS('mypassword');
END;

D:\oracle\client112040\BIN>schagent -registerdatabase dwh.prod.local 8080
Agent Registration Password ? ***********

Oracle Scheduler Agent Registration for 11.2 Agent
Agent Registration Successful!

D:\oracle\client112040\BIN>