error

The full traceback is:
  File "/tmp/ansible_4P6yCV/ansible_module_uri.py", line 468, in main
    uresp['location'] = absolute_location(url, uresp['location'])

failed: [localhost] (item=(2, u'DIAG')) => {
    "changed": false,
    "connection": "close",
    "content": "{\"message\":\"Not found\"}",
    "content_length": "23",
    "content_type": "application/json; charset=UTF-8",
    "date": "Wed, 31 Jan 2018 21:39:01 GMT",
    "invocation": {
        "module_args": {
            "attributes": null,
            "backup": null,
            "body": {
                "name": "DIAG"
            },
            "body_format": "json",
            "client_cert": null,
            "client_key": null,
            "content": null,
            "creates": null,
            "delimiter": null,
            "dest": null,
            "directory_mode": null,
            "follow": false,
            "follow_redirects": "safe",
            "force": false,
            "force_basic_auth": true,
            "group": null,
            "headers": {
                "Authorization": "Basic cm9vdDpzZWNyZXQ=",
                "Content-Type": "application/json"
            },
            "http_agent": "ansible-httpget",
            "method": "POST",
            "mode": null,
            "owner": null,
            "password": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
            "regexp": null,
            "remote_src": null,
            "removes": null,
            "return_content": false,
            "return_result": true,
            "selevel": null,
            "serole": null,
            "setype": null,
            "seuser": null,
            "src": null,
            "status_code": [
                200
            ],
            "timeout": 30,
            "unsafe_writes": null,
            "url": "http://grafana.gsm.svc.cluster.local.:3000/api/orgs/3",
            "url_password": "VALUE_SPECIFIED_IN_NO_LOG_PARAMETER",
            "url_username": "root",
            "use_proxy": true,
            "user": "root",
            "validate_certs": true
        }
    },
    "item": [
        2,
        "DIAG"
    ],
    "json": {
        "message": "Not found"
    },
    "msg": "Status code was not [200]: HTTP Error 404: Not Found",
    "redirected": false,
    "status": 404,
    "url": "http://grafana.gsm.svc.cluster.local.:3000/api/orgs/3"
}