An Error Has Occured

System.ArgumentException: Argument 'productId' cannot be empty GUID. at DynamicModule.ns.Wrapped_OpenAccessCatalogDataProvider_0551cddd238b43e18f986fef6bf877db.GetProduct(Guid productId) at Telerik.Sitefinity.Modules.Ecommerce.Catalog.CatalogManager.GetProduct(Guid productId) at IBSSFImplementations.Inventory.InventoryTypeManager.GetInventoryTypeFromAuctionItem(Guid auctionItemId) in E:\iBeanz\Alteso\BitBucket\IBS.V.2\IBSSFImplementations\Inventory\InventoryTypeManager.cs:line 0 at IBSCustom.CombinedWorkflow.MVCWidgets.InventoryWidgets.Helpers.InventoryDetailsDirectorHelper.GetModel(Guid inventoryId, Boolean invalidate) in E:\iBeanz\Alteso\BitBucket\IBS.V.2\IBSCustom.CombinedWorkflow\MVCWidgets\InventoryWidgets\Helpers\InventoryDetailsDirectorHelper.cs:line 89 at IBSCustom.CombinedWorkflow.MVCWidgets.InventoryWidgets.InventoryDetailsDirectorController.Index() in E:\iBeanz\Alteso\BitBucket\IBS.V.2\IBSCustom.CombinedWorkflow\MVCWidgets\InventoryWidgets\InventoryDetailsDirectorController.cs:line 55