border_gateway is not valid role

gistfile1.txt

ansible-playbook 2.10.5
  config file = /root/.ansible.cfg
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /root/virtualenv/ansible/lib/python3.7/site-packages/ansible
  executable location = /root/virtualenv/ansible/bin/ansible-playbook
  python version = 3.7.3 (default, Apr  3 2019, 05:39:12) [GCC 8.3.0]
Using /root/.ansible.cfg as config file
host_list declined parsing /root/workspace/ansible/dcnm/inventory/dcnm_cylon/host as it did not pass its verify_file() method
script declined parsing /root/workspace/ansible/dcnm/inventory/dcnm_cylon/host as it did not pass its verify_file() method
auto declined parsing /root/workspace/ansible/dcnm/inventory/dcnm_cylon/host as it did not pass its verify_file() method
Parsed /root/workspace/ansible/dcnm/inventory/dcnm_cylon/host inventory source with ini plugin
redirecting (type: action) cisco.dcnm.dcnm_inventory to cisco.dcnm.dcnm
redirecting (type: action) cisco.dcnm.dcnm_inventory to cisco.dcnm.dcnm
redirecting (type: callback) ansible.builtin.profile_tasks to ansible.posix.profile_tasks
Skipping callback 'default', as we already have a stdout callback.
Skipping callback 'minimal', as we already have a stdout callback.
Skipping callback 'oneline', as we already have a stdout callback.

PLAYBOOK: dcnm_lab109.yml ************************************************************************************************************************************************************************************************************************
1 plays in dcnm_lab109.yml

PLAY [add switches to fabric] ********************************************************************************************************************************************************************************************************************
META: ran handlers
redirecting (type: action) cisco.dcnm.dcnm_inventory to cisco.dcnm.dcnm

TASK [add switches to fabric] ********************************************************************************************************************************************************************************************************************
task path: /root/workspace/ansible/dcnm/dcnm_lab109.yml:8
Friday 23 April 2021  17:17:10 -0700 (0:00:00.048)       0:00:00.048 **********
redirecting (type: connection) ansible.builtin.httpapi to ansible.netcommon.httpapi
redirecting (type: action) cisco.dcnm.dcnm_inventory to cisco.dcnm.dcnm
<172.25.74.53> ESTABLISH LOCAL CONNECTION FOR USER: root
<172.25.74.53> EXEC /bin/sh -c '( umask 77 && mkdir -p "` echo /root/.ansible/tmp/ansible-local-27189rosvgags `"&& mkdir "` echo /root/.ansible/tmp/ansible-local-27189rosvgags/ansible-tmp-1619223431.9364092-27194-240971359313378 `" && echo ansible-tmp-1619223431.9364092-27194-240971359313378="` echo /root/.ansible/tmp/ansible-local-27189rosvgags/ansible-tmp-1619223431.9364092-27194-240971359313378 `" ) && sleep 0'
<172.25.74.53> Attempting python interpreter discovery
<172.25.74.53> EXEC /bin/sh -c 'echo PLATFORM; uname; echo FOUND; command -v '"'"'/usr/bin/python'"'"'; command -v '"'"'python3.7'"'"'; command -v '"'"'python3.6'"'"'; command -v '"'"'python3.5'"'"'; command -v '"'"'python2.7'"'"'; command -v '"'"'python2.6'"'"'; command -v '"'"'/usr/libexec/platform-python'"'"'; command -v '"'"'/usr/bin/python3'"'"'; command -v '"'"'python'"'"'; echo ENDFOUND && sleep 0'
<172.25.74.53> EXEC /bin/sh -c '/usr/bin/python && sleep 0'
Using module file /root/.ansible/collections/ansible_collections/cisco/dcnm/plugins/modules/dcnm_inventory.py
<172.25.74.53> PUT /root/.ansible/tmp/ansible-local-27189rosvgags/tmpkyifgr98 TO /root/.ansible/tmp/ansible-local-27189rosvgags/ansible-tmp-1619223431.9364092-27194-240971359313378/AnsiballZ_dcnm_inventory.py
<172.25.74.53> EXEC /bin/sh -c 'chmod u+x /root/.ansible/tmp/ansible-local-27189rosvgags/ansible-tmp-1619223431.9364092-27194-240971359313378/ /root/.ansible/tmp/ansible-local-27189rosvgags/ansible-tmp-1619223431.9364092-27194-240971359313378/AnsiballZ_dcnm_inventory.py && sleep 0'
<172.25.74.53> EXEC /bin/sh -c '/usr/bin/python3 /root/.ansible/tmp/ansible-local-27189rosvgags/ansible-tmp-1619223431.9364092-27194-240971359313378/AnsiballZ_dcnm_inventory.py && sleep 0'
<172.25.74.53> EXEC /bin/sh -c 'rm -f -r /root/.ansible/tmp/ansible-local-27189rosvgags/ansible-tmp-1619223431.9364092-27194-240971359313378/ > /dev/null 2>&1 && sleep 0'
fatal: [172.25.74.53]: FAILED! => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python3"
    },
    "changed": false,
    "invocation": {
        "module_args": {
            "config": [
                {
                    "auth_proto": "MD5",
                    "max_hops": 0,
                    "password": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
                    "preserve_config": false,
                    "role": "leaf",
                    "seed_ip": "172.31.219.7",
                    "user_name": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER"
                },
                {
                    "max_hops": 0,
                    "password": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
                    "preserve_config": false,
                    "role": "leaf",
                    "seed_ip": "172.31.217.102",
                    "user_name": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER"
                },
                {
                    "auth_proto": "MD5",
                    "max_hops": 0,
                    "password": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
                    "preserve_config": false,
                    "role": "spine",
                    "seed_ip": "172.31.186.153",
                    "user_name": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER"
                },
                {
                    "max_hops": 0,
                    "password": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
                    "preserve_config": false,
                    "role": "border_gateway",
                    "seed_ip": "172.31.186.152",
                    "user_name": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER"
                }
            ],
            "fabric": "lab109-fabric-1",
            "state": "merged"
        }
    },
    "msg": {
        "DATA": "Invalid JSON response: Role[border_gateway]is not a valid role",
        "MESSAGE": "Bad Request",
        "METHOD": "PUT",
        "REQUEST_PATH": "https://172.25.74.53:443/fm/fmrest/topology/role/459550?newRole=border_gateway",
        "RETURN_CODE": 400
    }
}

PLAY RECAP ***************************************************************************************************************************************************************************************************************************************
172.25.74.53               : ok=0    changed=0    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0

Friday 23 April 2021  17:29:52 -0700 (0:12:42.661)       0:12:42.710 **********
===============================================================================
add switches to fabric ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 762.66s
/root/workspace/ansible/dcnm/dcnm_lab109.yml:8 --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------