Issue While Creaing Pivot Table in Excel Using Code Editor

using System;
using System.Collections.Generic;
using SE.Core.Automation.Interfaces.Common;
using SE.Core.Automation.Interfaces;
using Microsoft.Office.Interop.Excel;
namespace CodeEditorNameSpace
{
public class CodePluginClass : ICodeEditor
{
public event EventHandler ExecutionCompleted;

    public void PerformAction(IApplicationAutomation plugin, Dictionary<string, object> extractedFields)
    {
        //Add your code here
        
        try
        {
            string path = @"C:\Users\UX155512\Documents\Book1fd.xlsx";
            var excelFile = new Application();
            Workbook workBook = excelFile.Workbooks.Open(path);
            Worksheet workSheet = (Microsoft.Office.Interop.Excel.Worksheet)workBook.Worksheets[1];
            Worksheet pivotSheet = (Microsoft.Office.Interop.Excel.Worksheet)workBook.Worksheets.Add(
                System.Reflection.Missing.Value,
                (Microsoft.Office.Interop.Excel.Worksheet)workBook.Worksheets[workBook.Worksheets.Count],
                1,
                System.Reflection.Missing.Value);




            Range last = workSheet.Cells.SpecialCells(XlCellType.xlCellTypeLastCell, Type.Missing);
            int lastRow = last.Row;
            int lastCol = last.Column;
            
             string lastColVal = Column(lastCol);
             string lastFilledCol = lastColVal + lastRow.ToString();
            string Column(int column)
    {
        column--;
        if (column >= 0 && column < 26)
            return ((char)('A' + column)).ToString();
        else if (column > 25)
            return Column(column / 26) + Column(column % 26 + 1);
        else
            throw new Exception("Invalid Column #" + (column + 1).ToString());
    }
              Range lastRange = workSheet.Range["A1", lastFilledCol];

            

            
            pivotSheet.Name = "Pivot Table";
           
            Range range = (Range)pivotSheet.Cells[1, 1];
            PivotCache pivotCache = (PivotCache)workBook.PivotCaches().Add(XlPivotTableSourceType.xlDatabase, lastRange);

//the add portion here is giving an error in the code editor please help with the same
PivotTable pivotTable = (PivotTable)pivotSheet.PivotTables().Add(PivotCache: pivotCache, TableDestination: range);
PivotField pivotField = (PivotField)pivotTable.PivotFields(“Plan Number”);
pivotField.Orientation = XlPivotFieldOrientation.xlRowField;

            PivotField pivotField2 = (PivotField)pivotTable.PivotFields("Source");
            pivotField2.Orientation = XlPivotFieldOrientation.xlColumnField;

            PivotField pivotField3 = (PivotField)pivotTable.PivotFields("Total");
            pivotField3.Orientation = XlPivotFieldOrientation.xlDataField;
            pivotField3.Function = XlConsolidationFunction.xlSum;
           

         
            workBook.SaveAs(@"C:\Users\UX155512\Documents\Excel Dump\Trial9.xlsx");
            workBook.Close();
            

           
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex);
           
        }
            
            
        ExecutionCompleted.Invoke(this, null);
    }
}

}

using System;
using System.Collections.Generic;
using SE.Core.Automation.Interfaces.Common;
using SE.Core.Automation.Interfaces;
using Microsoft.Office.Interop.Excel;
namespace CodeEditorNameSpace
{
public class CodePluginClass : ICodeEditor
{
public event EventHandler ExecutionCompleted;

    public void PerformAction(IApplicationAutomation plugin, Dictionary<string, object> extractedFields)
    {
        //Add your code here
        
        try
        {
            string path = @"C:\Users\UX155512\Documents\Book1fd.xlsx";
            var excelFile = new Application();
            Workbook workBook = excelFile.Workbooks.Open(path);
            Worksheet workSheet = (Microsoft.Office.Interop.Excel.Worksheet)workBook.Worksheets[1];
            Worksheet pivotSheet = (Microsoft.Office.Interop.Excel.Worksheet)workBook.Worksheets.Add(
                System.Reflection.Missing.Value,
                (Microsoft.Office.Interop.Excel.Worksheet)workBook.Worksheets[workBook.Worksheets.Count],
                1,
                System.Reflection.Missing.Value);




            Range last = workSheet.Cells.SpecialCells(XlCellType.xlCellTypeLastCell, Type.Missing);
            int lastRow = last.Row;
            int lastCol = last.Column;
            
             string lastColVal = Column(lastCol);
             string lastFilledCol = lastColVal + lastRow.ToString();
            string Column(int column)
    {
        column--;
        if (column >= 0 && column < 26)
            return ((char)('A' + column)).ToString();
        else if (column > 25)
            return Column(column / 26) + Column(column % 26 + 1);
        else
            throw new Exception("Invalid Column #" + (column + 1).ToString());
    }
              Range lastRange = workSheet.Range["A1", lastFilledCol];

            

            
            pivotSheet.Name = "Pivot Table";
           
            Range range = (Range)pivotSheet.Cells[1, 1];
            PivotCache pivotCache = (PivotCache)workBook.PivotCaches().Add(XlPivotTableSourceType.xlDatabase, lastRange);
            PivotTable pivotTable = (PivotTable)pivotSheet.PivotTables().Add(PivotCache: pivotCache, TableDestination: range);
            PivotField pivotField = (PivotField)pivotTable.PivotFields("Plan Number");
            pivotField.Orientation = XlPivotFieldOrientation.xlRowField;

            PivotField pivotField2 = (PivotField)pivotTable.PivotFields("Source");
            pivotField2.Orientation = XlPivotFieldOrientation.xlColumnField;

            PivotField pivotField3 = (PivotField)pivotTable.PivotFields("Total");
            pivotField3.Orientation = XlPivotFieldOrientation.xlDataField;
            pivotField3.Function = XlConsolidationFunction.xlSum;
           

         
            workBook.SaveAs(@"C:\Users\UX155512\Documents\Excel Dump\Trial9.xlsx");
            workBook.Close();
            

           
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex);
           
        }
            
            
        ExecutionCompleted.Invoke(this, null);
    }
}

}

errorpivot
I am getting this error for the code
PivotTable pivotTable = (PivotTable)pivotSheet. PivotTables (). Add (PivotCache: pivotCache, TableDestination: range);

I am using a MicroBot for it
Thanks