PK- Analysis report not loading to Excel

[siddhivernekar]

Application:
PK-Sim® 11.3.208

Object reference not set to an instance of an object.

Stack trace:

at OSPSuite.UI.Mappers.PivotGridCellsToDataTableMapper.<>c__DisplayClass14_0.<getColumnName>b__0(PivotGridField field)
   at OSPSuite.Utility.Extensions.EnumerableExtensions.Each[T](IEnumerable`1 list, Action`1 action)
   at OSPSuite.UI.Mappers.PivotGridCellsToDataTableMapper.getColumnName(PivotGridCells input, Int32 columnIndex)
   at OSPSuite.UI.Mappers.PivotGridCellsToDataTableMapper.configureDataTable(PivotGridCells input, DataTable dt, Func`2 useColumn)
   at OSPSuite.UI.Mappers.PivotGridCellsToDataTableMapper.map(PivotGridCells pivotGridCells, Func`2 displayNameRetreiver, Func`2 valueToDisplayConverter, Func`2 shouldUseRow, Func`2 shouldUseColumn)
   at OSPSuite.UI.Mappers.PivotGridCellsToDataTableMapper.MapFrom(PivotGridCells pivotGridCells, Func`2 displayNameRetreiver, Func`2 valueToDisplayConverter)
   at OSPSuite.UI.Controls.UxPivotGrid.GetCellsSummary()
   at PKSim.UI.Views.Simulations.PKAnalysisPivotView.GetSummaryData()
   at PKSim.UI.Views.Simulations.IndividualPKAnalysisView.GetSummaryData()
   at PKSim.Presentation.Presenters.Simulations.IndividualPKAnalysisPresenter.ExportToExcel()
   at OSPSuite.UI.Controls.BaseUserControl.<>c__DisplayClass23_0.<OnEvent>b__0()
   at OSPSuite.Utility.Extensions.ExceptionExtensions.DoWithinExceptionHandler(Object callerObject, Action actionToExecute)