2019-07-28 12:01:03,361 [YDAWBH120][Thread:8][ERROR] DotNetNuke.Services.Exceptions.Exceptions - FriendlyMessage="Fout:  is op dit moment niet beschikbaar." ctrl="ASP.desktopmodules_nb_store_productlist_ascx" exc="System.ArgumentException: Item has already been added. Key in dictionary: 'NB_StoregetSalePrice_False-1_4_3'  Key being added: 'NB_StoregetSalePrice_False-1_4_3'
   at System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add)
   at System.Collections.Hashtable.Add(Object key, Object value)
   at NEvoWeb.Modules.NB_Store.SharedFunctions.GetCacheKey(String KeyID, Int32 PortalID, Int32 ProductID)
   at NEvoWeb.Modules.NB_Store.ProductTemplate.getSalePrice(DataListItem container, Boolean FormatAsCurrency, Boolean ApplyTax)
   at NEvoWeb.Modules.NB_Store.ProductTemplate.getBestPrice(DataListItem container, Boolean FormatAsCurrency, String& PriceType)
   at NEvoWeb.Modules.NB_Store.ProductTemplate.getBestPriceOutput(DataListItem container, Boolean FormatAsCurrency)
   at NEvoWeb.Modules.NB_Store.ProductTemplate.BestPrice_DataBinding(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.DataList.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem)
   at System.Web.UI.WebControls.DataList.CreateControlHierarchy(Boolean useDataSource)
   at System.Web.UI.WebControls.BaseDataList.OnDataBinding(EventArgs e)
   at System.Web.UI.WebControls.BaseDataList.DataBind()
   at NEvoWeb.Modules.NB_Store.ProductList.populateSP(Int32 ProdID)
   at NEvoWeb.Modules.NB_Store.ProductList.Page_Init(Object sender, EventArgs e)"