# dnf config-manager --enable
Traceback (most recent call last):
  File "/opt/freeware/bin/dnf", line 59, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/main.py", line 191, in user_main
    errcode = main(args)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/main.py", line 65, in main
    return _main(base, args, cli_class, option_parser_class)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/main.py", line 94, in _main
    cli.configure(list(map(ucd, args)), option_parser())
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/cli.py", line 952, in configure
    opts = self.optparser.parse_command_args(self.command, args)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/option_parser.py", line 406, in parse_command_args
    self._add_command_options(command)
  File "/opt/freeware/lib/python3.9/site-packages/dnf/cli/option_parser.py", line 393, in _add_command_options
    command.set_argparser(self.command_group)
  File "/opt/freeware/lib/python3.9/site-packages/dnf-plugins/config_manager.py", line 58, in set_argparser
    enable_group.add_argument("--set-enabled", default=False,
  File "/opt/freeware/lib64/python3.9/argparse.py", line 1441, in add_argument
    return self._add_action(action)
  File "/opt/freeware/lib64/python3.9/argparse.py", line 1663, in _add_action
    action = self._container._add_action(action)
  File "/opt/freeware/lib64/python3.9/argparse.py", line 1643, in _add_action
    action = super(_ArgumentGroup, self)._add_action(action)
  File "/opt/freeware/lib64/python3.9/argparse.py", line 1455, in _add_action
    self._check_conflict(action)
  File "/opt/freeware/lib64/python3.9/argparse.py", line 1592, in _check_conflict
    conflict_handler(action, confl_optionals)
  File "/opt/freeware/lib64/python3.9/argparse.py", line 1601, in _handle_conflict_error
    raise ArgumentError(action, message % conflict_string)
argparse.ArgumentError: argument --set-enabled: conflicting option string: --set-enabled

It seems that the issue is caused due to multiple enablement of the same option like '--set-enabled'
Same works with Linux but fails in AIX. We will analyse the issue, find the root cause and fix it.