i have error while installing hosted engine.

if anybody have solution for this,please help i stuck here from two days.

[ INFO ] TASK [Wait for the host to be up]
[ ERROR ] fatal: [localhost]: FAILED! => {"ansible_facts": {"ovirt_hosts": []}, "attempts": 120, "changed": false}
[ INFO ] TASK [include_tasks]
[ INFO ] ok: [localhost]
[ INFO ] TASK [Remove local vm dir]
[ INFO ] changed: [localhost]
[ INFO ] TASK [Notify the user about a failure]
[ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "msg": "The system may not be provisioned according to the playbook results: please check the logs for the issue, fix accordingly or re-deploy from scratch.\n"}

thanks