For each company you need too run the assistes setup, even if you dont use the integration, else you will get this error on salesinvoice/salesorder/credit memo

   err.response: {

      "data": {

        "error": {

          "code": "Internal_RecordNotFound",

          "message": "The Sproom Service Setup does not exist. Identification fields and values: Primary Key=''  CorrelationId:  82655d62-f3ec-4811-b7bd-066c502af750."

        }

      },

      "status": 404,

      "headers": {

        "transfer-encoding": "chunked",

        "content-type": "application/json",

        "vary": "Accept-Encoding",

        "server": "Microsoft-HTTPAPI/2.0",

        "access-control-allow-headers": "Origin, X-Requested-With, Authorization",

        "access-control-allow-origin": "*",

        "access-control-allow-credentials": "true",

        "ms-correlation-x": "e7c7f73c-bbd1-0e26-6221-28ed91d92fa3",

        "mise-correlation-id": "5ea026be-6c27-4f2a-bffb-5ac825cf4f90",

        "access-control-expose-headers": "Date, Content-Length, Server, OData-Version, ms-correlation-x",

        "request-id": "82655d62-f3ec-4811-b7bd-066c502af750",

        "x-content-type-options": "nosniff",

        "strict-transport-security": "max-age=31536000; includeSubDomains",

        "date": "Fri, 12 Jan 2024 08:11:21 GMT",

        "connection": "close"

      }

    }