ERPnext on FreeBSD via vagrantfile

Hello everybody,

I try to deploy ERPnext on a FreeBSD 10.3 system.
I use the following vagrant file:

Steps:

everything works fine till the installation of the erpnext app into the site.

Full error: error · GitHub
Last part:
==> default: return self.parse_response(connection, command_name, **options)
==> default: File “/usr/home/vagrant/frappe-bench/env/lib/python2.7/site-packages/redis/client.py”, line 587, in parse_response
==> default:
==> default: return self.response_callbacks[command_name](response, **options)
==> default: TypeError
==> default: :
==> default: int() argument must be a string or a number, not ‘list’

Can somebody please help me resolve this issue?