bahmni installtion centOS 6.9 ansible Error


any one help me @rubailly @angshuonline @swathivarkala @sumanmaity112
I am Unable to Understand what is Error, how resolve it

fatal: [localhost]: FAILED! => {"msg": "The task includes an option with an undefined variable.
The error was: 'dict object' has no attribute 'md5'\n\nThe error appears to have been in 
'/opt/bahmni-installer/bahmni-playbooks/roles/oracle-java/tasks/oracle-java.yml': line 5, 
column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe
offending line appears to be:\n\n\n- set_fact:\n  ^ here\n"}

    to retry, use: --limit @/opt/bahmni-installer/bahmni-playbooks/all.retry

Try this