bahmni-installation error

TASK [bahmni-emr : Backup openmrs markers, failed_events tables] ***************
task path: /opt/bahmni-installer/bahmni-playbooks/roles/bahmni-emr/tasks/main.yml:68
fatal: [localhost -> localhost]: FAILED! => {"changed": true, "failed": true, "rc": 6, "stderr": "+ . /etc/bahmni-installer/bahmni.conf\n++ IMPLEMENTATION_NAME=bd-uhc\n++ OPENMRS_DB_USERNAME=openmrs-user\n++ OPENMRS_DB_PASSWORD=password\n++ OPENMRS_DB_SERVER=localhost\n++ OPENELIS_DB_USERNAME=clinlims\n++ OPENELIS_DB_PASSWORD=password\n++ OPENELIS_DB_SERVER=localhost\n++ OPENERP_DB_USERNAME=openerp\n++ OPENERP_DB_PASSWORD=password\n++ OPENERP_DB_SERVER=localhost\n++ MYSQL_ROOT_USER=root\n++ MYSQL_ROOT_PASSWORD=password\n++ date +%Y%m%d_%H%M%S\n+ TIME=20160905_163659\n+ mysqldump -uroot -ppassword openmrs markers failed_events\nWarning: Using a password on the command line interface can be insecure.\nmysqldump: Couldn't find table: \"markers\"\n", "stdout": "", "stdout_lines": []}

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 [WARNING]: Could not create retry file 'all.retry'.         [Errno 2] No such file or directory: ''