Woodchip Gondola Script Errors

[AdvancedApproach]

I have an older version of this railcar due to the current one being payware which makes no sense but digress on that topic. These are the script errors I keep getting when adding them to a consist:

- <kuid2:506034:355067:1> : ProductFilter.AddProduct> invalid product: (file productfilter.gs)
; <kuid2:506034:355067:1> : Script class: JRTraincar
; <kuid2:506034:355067:1> : MeshObject: <kuid2:506034:355067:1> "MRL 60Ft.9In. woodchip gondola"
; <kuid2:506034:355067:1> : Script callstack
; <kuid2:506034:355067:1> : function $void@ProductFilter::AddProduct(Asset), line -1
; <kuid2:506034:355067:1> : function $void@IndustryProductInfoCollection::AddQueueToProduct(Asset,ProductQueue), line 448
; <kuid2:506034:355067:1> : function $void@IndustryProductInfoCollection::InitFromAsset(), line 879
; <kuid2:506034:355067:1> : function $void@IndustryProductInfoCollection::Init(BaseIndustry), line 93
; <kuid2:506034:355067:1> : function $void@IndustryProductInfoCollection::Init(Vehicle), line 108
; <kuid2:506034:355067:1> : function $void@Vehicle::Init(), line 131
; <kuid2:506034:355067:1> : function $void@JRBaseVehicle::Init(), line 953
; <kuid2:506034:355067:1> : function $void@MeshObject::Init(Asset), line 351