For some reason my screen flashes bad whenever I have this mod installed. It's playable but the constant flickering is annoying. Here is the error in seeing:

Root level exception in Update(): System.NullReferenceException: Object reference not set to an instance of an object
at Verse.Thing.get_Smeltable () [0x0002a] in <81af9f8a18324e17b286924a43555a7c>:0
at RimWorld.SpecialThingFilterWorker_Smeltable.Matches (Verse.Thing t) [0x00010] in <81af9f8a18324e17b286924a43555a7c>:0
at Verse.ThingFilter.Allows (Verse.Thing t) [0x000a1] in <81af9f8a18324e17b286924a43555a7c>:0
at RimWorld.StorageSettings.AllowedToAccept (Verse.Thing t) [0x00000] in <81af9f8a18324e17b286924a43555a7c>:0
at RimWorld.Zone_Stockpile.Accepts (Verse.Thing t) [0x00000] in <81af9f8a18324e17b286924a43555a7c>:0
at RimWorld.StoreUtility.IsInValidBestStorage (Verse.Thing t) [0x0000a] in <81af9f8a18324e17b286924a43555a7c>:0
at RimWorld.ListerHaulables.ShouldBeHaulable (Verse.Thing t) [0x0004d] in <81af9f8a18324e17b286924a43555a7c>:0
at RimWorld.ListerHaulables.Check (Verse.Thing t) [0x00000] in <81af9f8a18324e17b286924a43555a7c>:0
at RimWorld.ListerHaulables.ListerHaulablesTick () [0x0011d] in <81af9f8a18324e17b286924a43555a7c>:0
at Verse.Map.MapPreTick () [0x0000b] in <81af9f8a18324e17b286924a43555a7c>:0
at (wrapper dynamic-method) Verse.TickManager.Verse.TickManager.DoSingleTick_Patch1(Verse.TickManager)
at Verse.TickManager.TickManagerUpdate () [0x0006a] in <81af9f8a18324e17b286924a43555a7c>:0
at (wrapper dynamic-method) Verse.Game.Verse.Game.UpdatePlay_Patch2(Verse.Game)
at Verse.Root_Play.Update () [0x00032] in <81af9f8a18324e17b286924a43555a7c>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
Verse.Log:Error (string)
Verse.Root_Play:Update ()