github.com/prebid/prebid-server/v2@v2.18.0/endpoints/openrtb2/sample-requests/invalid-whole/format-empty-array.json (about)

     1  {
     2    "description": "Banner with empty format array does not define width nor height in w and h fields",
     3    "mockBidRequest": {
     4      "id":"req-id",
     5      "site": {
     6        "id": "some-site"
     7      },
     8      "imp": [
     9        {
    10          "id": "imp-id",
    11          "banner": {
    12            "format": []
    13          },
    14          "ext": {
    15            "appnexus": {
    16              "placementId": 12883451
    17            }
    18          }
    19        }
    20      ]
    21    },
    22    "expectedReturnCode": 400,
    23    "expectedErrorMessage": "Invalid request: request.imp[0].banner has no sizes. Define \"w\" and \"h\", or include \"format\" elements.\n"
    24  }