Fiori OVP $batch pointing to sap?sap-client...

[StephanG]

Hello,

I am having a problem with a Fiori Overview Page I am trying to develop. In the manifest.json I set up the card like this: 

 "sap.ovp": {
    "globalFilterModel": "mainModel",
    "globalFilterEntityType": "SalesOverviewTop",
    "containerLayout": "resizable",
    "enableLiveFilter": true,
    "considerAnalyticalParameters": false,
    "cards": {
      "donutCard": {
        "model": "mainModel",
        "template": "sap.ovp.cards.v4.charts.analytical",
        "settings": {
          "title": "{{cardDonutTitle}}",
          "entitySet": "DonutMonthly",
          "sortBy": "SumNetAmount",
          "chartAnnotationPath": "com.sap.vocabularies.UI.v1.Chart#donutCard",
          "dataPointAnnotationPath": "com.sap.vocabularies.UI.v1.DataPoint#quDpSum"
        }
      }
    },

The CDS-View for the Card (DonutMonthly) looks like this:

@AccessControl.authorizationCheck: #NOT_REQUIRED
@EndUserText.label: 'AT RAP OVP Interface Summary of Orders'

@UI: {

  chart: [{
    qualifier: 'donutCard',
    chartType: #DONUT,
    measures: ['SumNetAmount'],
    dimensions: ['CalendarMonthNameTxt'],
    measureAttributes: [{ measure: 'SumNetAmount', role: #AXIS_1 }],
    dimensionAttributes: [{ dimension: 'CalendarMonthNameTxt', role: #CATEGORY }]
    
  }]
}

@UI.presentationVariant: [
  {
    maxItems: 5,
    sortOrder: [{ by: 'SumNetAmount', direction: #DESC }],
    qualifier: 'StandardDonut',
    requestAtLeast: [ 'SalesMonth', 'CalendarMonthNameTxt','SumNetAmount','TransactionCurrency' ]
  }
]

define view entity ZI_SO_C_SUM as select from ZI_SO_T_OVP 
association[1] to I_CalendarMonthText on I_CalendarMonthText.CalendarMonth = $projection.SalesMonth
                                  and I_CalendarMonthText.Language = $session.system_language

{
    @UI.identification: [{ type: #FOR_INTENT_BASED_NAVIGATION,
                           semanticObject: 'ZSalesOrderFs',
                           qualifier: 'semNavigation',
                           semanticObjectAction: 'manage' }]
    @UI.selectionField: [{ position: 10, qualifier: 'quSalesMonth' }] 
    @UI.lineItem: [{position: 10 }]
    key SalesMonth,
    @UI.lineItem: [{ position: 20 }]
    case SalesMonth
        when (substring($session.system_date, 5,2) )
            then 'This Month'
        else 
            I_CalendarMonthText.CalendarMonthName
    end as CalendarMonthNameTxt,
    
    @Semantics.amount.currencyCode: 'TransactionCurrency'
    @UI.dataPoint: {
        qualifier: 'quDpSum',
        title: 'DP Title Sum',
        description: 'DP Descr Sum'
     }
    sum(TotalNetAmount) as SumNetAmount,
    
    TransactionCurrency
    
    //Associations

} group by SalesMonth, I_CalendarMonthText.CalendarMonthName, TransactionCurrency

I noticed when looking at the network requests in the browser developer tools that the $batch request payload looks like this: 

GET sap?sap-client=710&$apply=aggregate(SumNetAmount%20with%20sum%20as%20SumNetAmountAgg)&$skip=0&$top=1 HTTP/1.1

Note that it starts with sap?sap-client... 
This then leads to error 404, here the response message
{"error":{"code":"/IWCOR/CX_OD_URI_NOT_MATCHING","message":"Resource not found for segment 'sap'"...

While in another app the request payload starts like this:

GET SalesOrder?sap-client=710&$count=true&$select=DeliveryDateCriticality,OrderType,

Here it starts off with the name of the Entity, I think this might be the reason.

Could you please help me with this? 

Thanks in advance and kind Regards,
Stephan