RHOSP15 deployment fails

[yadneshk]

TASK [get provision subnet(s) - multiple in spine/leaf scenario] **************************************************************************************************************************************************
fatal: [undercloud-0]: FAILED! => {"changed": true, "cmd": "source ~/stackrc\n openstack network show ctlplane | grep -owP 'subnets.*\\|\\s\\K.*[^\\|]+'", "delta": "0:00:00.002402", "end": "2019-12-15 21:37:15.746206", "msg": "non-zero return code", "rc": 1, "start": "2019-12-15 21:37:15.743804", "stderr": "/bin/sh: /home/stack/stackrc: No such file or directory", "stderr_lines": ["/bin/sh: /home/stack/stackrc: No such file or directory"], "stdout": "", "stdout_lines": []}

NO MORE HOSTS LEFT ************************************************************************************************************************************************************************************************
        to retry, use: --limit @/root/.infrared/plugins/tripleo-overcloud/main.retry

PLAY RECAP ********************************************************************************************************************************************************************************************************
hypervisor                 : ok=1    changed=0    unreachable=0    failed=0   
localhost                  : ok=3    changed=0    unreachable=0    failed=0   
undercloud-0               : ok=41   changed=15   unreachable=0    failed=1   

ERROR   Playbook "/root/.infrared/plugins/tripleo-overcloud/main.yml" failed!