Reports not showing with error

Hi im getting this error using hand2note3 i cant view my reports.
How do i fix this? Thanks

System.InvalidOperationException: Can't convert currency Undefined to amount units. Probably rebuild stats required.
at Hand2NoteCore.Common.CurrencyExtensions.ToAmountUnits(Currencies currency)
at Hand2NoteCore.DataView.WinningsData..ctor(s data)
at Hand2NoteCore.DataView.WinningsReportViewModel.GetRows(PlayerReportData playerReportData, CancellationToken cancellationToken, ReportDateRange dateRange, IReportGroupPolicy reportGroupPolicy, WinningsData& summary)
at Hand2NoteCore.DataView.WinningsReportViewModel.A.A()
at System.Threading.Tasks.Task`1.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Hand2NoteCore.DataView.WinningsReportViewModel.a.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)