[SCIM2] Unexpected status code when patching a non existing group

[AnjanaSamindraPerera]

Describe the issue: Patching a group with non existing group gives status code 500.

How to reproduce: Sent a PATCH request to https://localhost:9443/scim2/Groups/{id} with a non existing group id with the following request body.

{
  "schemas": [
    "urn:ietf:params:scim:api:messages:2.0:PatchOp"
  ],
  "Operations": [  
     {
      "op": "add",
      "value": {
        "members": [
          {
            "display": "samindra",
            "value":"17712b98-3957-48cd-bc49-c4559df817b3"
          }
        ]
      }
    }
  ]
}

Expected behavior: For a non existing resource status code 404 should be given with the response.

Environment information (Please complete the following information; remove any unnecessary fields) :

• Product Version: IS 5.11.0
• OS: Linux

[isharak]

This issue is being closed due to extended inactivity. Please feel free to reopen it if further attention is needed. Thank you for helping us keep the issue list relevant and focused!