[Nnrf_NFManagement] PATCH request serves a 400 response because replace operation applies on an unknown attribute (R15.2.0)

TS29510_Nnrf_NFManagement_UpdateNFInstance_Bad_Request.txt

PATCH /nnrf-nfm/v1/nf-instances/80fd9293-7bc9-4fdf-8888-4a72e9f751d4 HTTP/1.1
Host: vdev-newedge0001.b-com.local:8180
Connection: keep-alive
Content-Length: 98
accept: application/json
DNT: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36
Content-Type: application/json-patch+json
Origin: http://vdev-newedge0001.b-com.local:8180
Referer: http://vdev-newedge0001.b-com.local:8180/
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9

[
 {
    "op": "replace",
    "path": "/unknown",
    "from": null,
    "value": "SUSPENDED"
  }
]

HTTP/1.1 400 Bad Request
Connection: keep-alive
Access-Control-Allow-Origin: *
Access-Control-Allow-Headers: Content-Type, Authorization, Accept, Accept-Language
Content-Type: application/problem+json
Content-Length: 187
Access-Control-Allow-Methods: GET, PUT, POST, PATCH, DELETE, OPTIONS
Date: Wed, 13 May 2020 14:28:00 GMT

{
   "type":"BadRequestRuntimeException",
   "title":"Bad request",
   "status":400,
   "detail":"Bad request: Unable to apply PATCH",
   "instance":null,
   "cause":"Unable to apply PATCH",
   "invalidParams":null
}