[INSTALL PROBLEM]: Debian 8 - fresh install Frappe and ERPNext 7

@vjFaLk

i tried to install on fresh Debian 8, and get following error:
TASK [setup] *******************************************************************
ok: [localhost]

TASK [Check whether a site exists] *********************************************
ok: [localhost]

TASK [Create new site] *********************************************************
fatal: [localhost]: FAILED! => {“changed”: true, “cmd”: [“bench”, “new-site”, “site1.local”, “–admin-password”, “admin0admin”, “–mariadb-root-password”], “delta”: “0:00:00.712308”, “end”: “2016-08-08 00:13:46.640121”, “failed”: true, “rc”: 2, “start”: “2016-08-08 00:13:45.927813”, “stderr”: “Error: --mariadb-root-password option requires an argument”, “stdout”: “”, “stdout_lines”: [], “warnings”: []}

NO MORE HOSTS LEFT *************************************************************
to retry, use: --limit @production/install.retry

PLAY RECAP *********************************************************************
localhost : ok=44 changed=22 unreachable=0 failed=1

Traceback (most recent call last):
File “install.py”, line 342, in
install_bench(args)
File “install.py”, line 111, in install_bench
run_playbook(‘production/install.yml’, sudo=True, extra_vars=extra_vars)
File “install.py”, line 292, in run_playbook
success = subprocess.check_call(args, cwd=os.path.join(cwd, ‘playbooks’))
File “/usr/lib/python2.7/subprocess.py”, line 540, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command ‘[‘ansible-playbook’, ‘-c’, ‘local’, ‘production/install.yml’, ‘-e’, ‘@/tmp/extra_vars.json’, ‘–become’, ‘–become-user=frappe’]’ returned non-zero exit status 2

Any advise?