Unable to run spacewalk-remove-channel - ORA-00257

Issue

Unable to run spacewalk-remove-channel:

# spacewalk-remove-channel --list
2013/09/25 12:51:29 -05:00 rhnSQL/driver_cx_Oracle.connect('ERROR', 'Connection attempt failed', 257, 'ORA-00257: archiver error. Connect internal only, until freed.\n')
RHN 11092 2013/09/25 12:51:29 -05:00: ('Connection attempt failed', 257, 'ORA-00257: archiver error. Connect internal only, until freed.\n')

ERROR: unhandled exception occurred: ((257, 'ORA-00257: archiver error. Connect internal only, until freed.\n', 'RHNSatDB', 'Connection_Connect(): begin session')).
Traceback (most recent call last):
  File "/usr/bin/spacewalk-remove-channel", line 557, in ?
    sys.exit(main() or 0)
  File "/usr/bin/spacewalk-remove-channel", line 97, in main
    rhnSQL.initDB(CFG.DEFAULT_DB)
  File "/usr/share/rhn/server/rhnSQL/__init__.py", line 121, in initDB
    __init__DB(backend, host, port, username, password, database)
  File "/usr/share/rhn/server/rhnSQL/__init__.py", line 52, in __init__DB
    __DB.connect()
  File "/usr/share/rhn/server/rhnSQL/driver_cx_Oracle.py", line 385, in connect
    raise apply(sql_base.SQLConnectError, err_args)
SQLConnectError: (257, 'ORA-00257: archiver error. Connect internal only, until freed.\n', 'RHNSatDB', 'Connection_Connect(): begin session')