Why do I get traceback emails every day with the error - SQLConnectError: (12541, 'ORA-12541: TNS:no listener\n', 'rhnsat', 'Connection_Connect(): server attach')

Issue

• Why do I get traceback emails every day with the error and how can we stop it ?

    Exception Handler Information
    Traceback (most recent call last):
      File "/usr/share/rhn/server/apacheHandler.py", line 84, in headerParserHandler
        rhnSQL.initDB()
      File "/usr/share/rhn/server/rhnSQL/__init__.py", line 118, in initDB
        __init__DB(backend, host, port, username, password, database)
      File "/usr/share/rhn/server/rhnSQL/__init__.py", line 59, in __init__DB
        __DB.check_connection()
      File "/usr/share/rhn/server/rhnSQL/driver_cx_Oracle.py", line 489, in check_connection
        self.connect() # only allow one try
      File "/usr/share/rhn/server/rhnSQL/driver_cx_Oracle.py", line 385, in connect
        raise apply(sql_base.SQLConnectError, err_args)
    SQLConnectError: (12541, 'ORA-12541: TNS:no listener\n', 'rhnsat', 'Connection_Connect(): server attach')