subscription-manager register fails with the error [line 39]: n#config for on-premise management

Issue

• subscription-manager fails with the following error message:

# subscription-manager register --org="ORG" --activationkey="KEY"
Traceback (most recent call last):
  File "/usr/sbin/subscription-manager", line 63, in <module>
    from subscription_manager import managercli
  File "/usr/share/rhsm/subscription_manager/managercli.py", line 35, in <module>
    import rhsm.connection as connection
  File "/usr/lib64/python2.6/site-packages/rhsm/connection.py", line 57, in <module>
    config = initConfig()
  File "/usr/lib64/python2.6/site-packages/rhsm/config.py", line 99, in initConfig
    CFG = RhsmConfigParser(config_file=DEFAULT_CONFIG_PATH, defaults=DEFAULTS)
  File "/usr/lib64/python2.6/site-packages/rhsm/config.py", line 63, in __init__
    self.read(self.config_file)
  File "/usr/lib/python2.6/site-packages/iniparse/compat.py", line 103, in read
    self.data._readfp(fp)
  File "/usr/lib/python2.6/site-packages/iniparse/ini.py", line 629, in _readfp
    raise exc
ConfigParser.ParsingError: File contains parsing errors: /etc/rhsm/rhsm.conf
        [line 39]: n#config for on-premise management