Running openstack Zed release. 

I am adding new compute nodes and getting this error at nova-cell task., any idea what is wrong here?

I searched for bugs and people reported but never found any solution. Any idea what we can do? 

TASK [nova-cell : Get a list of existing cells] ***************************************************************************************************************************************************************************************************************************************************
fatal: [comp7 -> ctrl3]: FAILED! => {"changed": false, "failed_when_result": true, "msg": "Container exited with non-zero return code 2", "rc": 2, "stderr": "INFO:__main__:Loading config file at /var/lib/kolla/config_files/config.json\nERROR:__main__:Unexpected error:\nTraceback (most recent call last):\n  File \"/usr/local/bin/kolla_set_configs\", line 417, in main\n    config = load_config()\n  File \"/usr/local/bin/kolla_set_configs\", line 290, in load_config\n    config = load_from_file()\n  File \"/usr/local/bin/kolla_set_configs\", line 280, in load_from_file\n    with open(config_file) as f:\nFileNotFoundError: [Errno 2] No such file or directory: '/var/lib/kolla/config_files/config.json'\n", "stderr_lines": ["INFO:__main__:Loading config file at /var/lib/kolla/config_files/config.json", "ERROR:__main__:Unexpected error:", "Traceback (most recent call last):", "  File \"/usr/local/bin/kolla_set_configs\", line 417, in main", "    config = load_config()", "  File \"/usr/local/bin/kolla_set_configs\", line 290, in load_config", "    config = load_from_file()", "  File \"/usr/local/bin/kolla_set_configs\", line 280, in load_from_file", "    with open(config_file) as f:", "FileNotFoundError: [Errno 2] No such file or directory: '/var/lib/kolla/config_files/config.json'"], "stdout": "", "stdout_lines": []}