# dnf config-manager --disable _dnf_local
Traceback (most recent call last):
  File "/usr/bin/dnf", line 62, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python3/site-packages/dnf/cli/main.py", line 201, in user_main
    errcode = main(args)
  File "/usr/lib/python3/site-packages/dnf/cli/main.py", line 67, in main
    return _main(base, args, cli_class, option_parser_class)
  File "/usr/lib/python3/site-packages/dnf/cli/main.py", line 106, in _main
    return cli_run(cli, base)
  File "/usr/lib/python3/site-packages/dnf/cli/main.py", line 122, in cli_run
    cli.run()
  File "/usr/lib/python3/site-packages/dnf/cli/cli.py", line 1057, in run
    return self.command.run()
  File "/usr/lib/python3/site-packages/dnf-plugins/config_manager.py", line 105, in run
    self.modify_repo()
  File "/usr/lib/python3/site-packages/dnf-plugins/config_manager.py", line 168, in modify_repo
    self.base.conf.write_raw_configfile(repo.repofile, repo.id, sbc.substitutions, repo_modify)
  File "/usr/lib/python3/site-packages/dnf/conf/config.py", line 218, in write_raw_configfile
    parser.setValue(section_id, name, value)
  File "/usr/lib64/python3/site-packages/libdnf/conf.py", line 1991, in setValue
    return _conf.ConfigParser_setValue(self, *args)
RuntimeError: _dnf_local