Hi;

One of my customer is running 9.1 SP1 and he's getting the website error

 below.

Orion Website Error

An error has occurred with the Orion website.

Additional Information

System.ArgumentOutOfRangeException: Year, Month, and Day parameters describe an un-representable DateTime.
   at System.DateTime.DateToTicks(Int32 year, Int32 month, Int32 day)
   at SolarWinds.Orion.Web.Charting.Periods.Parse(String& periodName, DateTime& periodBegin, DateTime& periodEnd, Int32& sampleSize, String& sampleName, Boolean& isCustom)
   at SolarWinds.Orion.Web.Charting.Periods.Parse(String& periodName, DateTime& periodBegin, DateTime& periodEnd)
   at SolarWinds.Orion.Web.Charting.ChartInfo.set_Period(String value)
   at SolarWinds.Orion.Web.GraphResource.CreateChart(CustomPoller customPoller, String netObjectID, String chartName, Control parentControl)
   at CustomNodeChart.OnInit(EventArgs e)
   at System.Web.UI.Control.InitRecursive(Control namingContainer)
   at System.Web.UI.Control.AddedControl(Control control, Int32 index)
   at System.Web.UI.ControlCollection.Add(Control child)
   at Orion_ResourceContainer.ResourcePlaceHolder_DataBind(Object sender, EventArgs e)
   at System.Web.UI.Control.OnDataBinding(EventArgs e)
   at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding)
   at System.Web.UI.Control.DataBind()
   at System.Web.UI.Control.DataBindChildren()
   at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding)
   at System.Web.UI.Control.DataBind()
   at System.Web.UI.WebControls.Repeater.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem)
   at System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource)
   at System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e)
   at System.Web.UI.WebControls.Repeater.DataBind()
   at System.Web.UI.Control.DataBindChildren()
   at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding)
   at System.Web.UI.Control.DataBind()
   at System.Web.UI.Control.DataBindChildren()
   at System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding)
   at System.Web.UI.Control.DataBind()
   at Orion_ResourceContainer.DataBind()
   at Orion_NetPerfMon_NodeDetails.OnInit(EventArgs e)
   at System.Web.UI.Control.InitRecursive(Control namingContainer)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint

Would you recommend me with how to resolve the issue?