errata_import failed on Red Hat Satellite 6.0 to 6.1 upgrade

Issue

During an upgrade from Red Hat Satellite v6.0.8 to v6.1, the installer fails during the errata import.

Upgrade Step: errata_import (this may take a while) ...
Upgrade step errata_import failed. Check logs for more information.
/usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:104:in `error': wrong number of arguments (6 for 1) (ArgumentError)
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:104:in `send'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:104:in `dump_buffer'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:104:in `each'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:104:in `dump_buffer'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:103:in `each'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:103:in `dump_buffer'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:94:in `dump_errors'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/logger.rb:99:in `dump_errors'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/exit_handler.rb:26:in `exit'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/kafo_configure.rb:122:in `exit'
    from /usr/share/katello-installer/hooks/post/30-upgrade.rb:34:in `fail_and_exit'
    from /usr/share/katello-installer/hooks/post/30-upgrade.rb:28:in `upgrade_step'
    from /usr/share/katello-installer/hooks/post/30-upgrade.rb:42:in `load'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/hook_context.rb:13:in `instance_exec'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/hook_context.rb:13:in `execute'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/hooking.rb:49:in `execute'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/hooking.rb:47:in `each'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/hooking.rb:47:in `execute'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/kafo_configure.rb:339:in `run_installation'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/exit_handler.rb:24:in `call'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/exit_handler.rb:24:in `exit'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/kafo_configure.rb:122:in `exit'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/kafo_configure.rb:338:in `run_installation'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/kafo_configure.rb:109:in `execute'
    from /usr/lib/ruby/gems/1.8/gems/clamp-0.6.2/lib/clamp/command.rb:67:in `run'
    from /usr/lib/ruby/gems/1.8/gems/clamp-0.6.2/lib/clamp/command.rb:125:in `run'
    from /usr/lib/ruby/gems/1.8/gems/kafo-0.6.5.9/lib/kafo/kafo_configure.rb:116:in `run'
    from /usr/sbin/katello-installer:46