Unable to download the files of a configuration channel with rhncfg-manager

Issue

• Unable to download the files of a configuration channel with rhncfg-manager with a trace similar to

[root@satellite]# rhncfg-manager download-channel -t/tmp/satellite/ my_config_channel
Using server name satellite.example.com
Traceback (most recent call last):
  File "/usr/bin/rhncfg-manager", line 46, in ?
    sys.exit(Main().main() or 0)
  File "/usr/share/rhn/config_common/rhn_main.py", line 207, in main
    handler.run()
  File "/usr/share/rhn/config_management/rhncfg_download_channel.py", line 52, in run
    config_channel=ns)
  File "/usr/share/rhn/config_common/deploy.py", line 65, in deploy_files
    try_rollback(dep_trans, "Error unable to deploy file, information on user '%s' could not be found" % e[0])
  File "/usr/share/rhn/config_common/deploy.py", line 81, in try_rollback
    dep_trans.rollback()
  File "/usr/share/rhn/config_common/transactions.py", line 266, in rollback
    os.rmdir(remove_dir)
OSError: [Errno 39] Directory not empty: '/usr2/tools'