PR203000 in Extended Webservice - The system failed to commit the EmployeeAttributes row

Hello all,

I am experimenting with extending Acumatica’s web service endpoint to exposes objects from the PR module. I have added a Top Level Entity with a PR203000 as the base. In addition to a few attributes on that top level entity, I have added a Detail Entity that maps to the TaxSettings tab on the screen. Specifically, in that detail entity, I have exposed the Description, State, and Value properties of the “Tax Settings” object. I then try and add data using the following PUT request:

{
    "EmployeeID": {
        "value": "KLM"
    },

    "TaxSettings": [
        {

            "State": {
                "value": "FED"
            },
            "Description": {
                "value": "Social Security Number"
            },
            "Value": {
                "value": "123-45-6789"
            }




        }
    ]
}

However, I receive the following error message:

{
    "message": "An error has occurred.",
    "exceptionMessage": "Operation failed",
    "exceptionType": "PX.Data.PXInvalidOperationException",
    "stackTrace": "..removed for brevity",
    "innerException": {
        "message": "An error has occurred.",
        "exceptionMessage": "The system failed to commit the EmployeeAttributes row.",
        "exceptionType": "PX.Data.PXException",
        "stackTrace": "   at PX.Api.SyImportProcessor.SyStep.CommitChangesInt(Object itemToBypass, PXFilterRow[] targetConditions, PXFilterRow[] filtersForAction, SyImportRowResult importResult)\r\n   at PX.Api.SyImportProcessor.SyStep.CommitChanges(Object& itemToBypass, PXFilterRow[] targetConditions, PXFilterRow[] filtersForAction)\r\n   at PX.Api.SyImportProcessor.ExportTableHelper.ExportTable()"
    }
}

Unfortunately, being new to Acumatica development, I do not find this error sufficiently informative to pinpoint the issue. I have examined both the associated Graph and EmployeeAttributes DAC, but could not determine what might be causing the issue. While I realize the above JSON call does not contain all fields required in the DAC, to my understanding, the Graph calls “EmployeeAttributes.SetSettingNameForDescription” to populate these fields so I do not see this being the issue.

I am new to Acumatica, so any pointers as to how to troubleshoot would be much appreciate.

Thanks.