RimWorld

RimWorld

Fortifications - Industrial
Object reference not set to an instance of an object
Anyone know what causes this?

Exception loading list from XML: System.NullReferenceException: Object reference not set to an instance of an object
[Ref DEF83D07]
at Verse.DirectXmlCrossRefLoader+WantedRefForList`1[T].AddWantedListEntry (System.String newTargetDefName, System.String mayRequireMod, System.String mayRequireAnyMod) [0x000b2] in <69945a8ed6c540cf90b578de735e0605>:0
at Verse.DirectXmlCrossRefLoader.RegisterListWantsCrossRef[T] (System.Collections.Generic.List`1[T] wanterList, System.String targetDefName, System.Object debugWanterInfo, System.String mayRequireMod, System.String mayRequireAnyMod) [0x00043] in <69945a8ed6c540cf90b578de735e0605>:0
at Verse.DirectXmlToObject.ListFromXml[T] (System.Xml.XmlNode listRootNode) [0x00099] in <69945a8ed6c540cf90b578de735e0605>:0
XML:
<linkableFacilities><li>ToolCabinet</li><li MayRequireAnyOf="Aoba.Fortress.Industrial.Citadel,Aoba.Fortress.Industrial.Citadel_steam">FT_transformer</li><li>AKN_MotivatingPlush</li></linkableFacilities>
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch5 (string)
Verse.DirectXmlToObject:ListFromXml<Verse.ThingDef> (System.Xml.XmlNode)
Verse.DirectXmlToObject:ListFromXmlReflection<Verse.ThingDef> (System.Xml.XmlNode)
Verse.DirectXmlToObject:ObjectFromXml<System.Collections.Generic.List`1<Verse.ThingDef>> (System.Xml.XmlNode,bool)
Verse.DirectXmlToObject:ObjectFromXmlReflection<System.Collections.Generic.List`1<Verse.ThingDef>> (System.Xml.XmlNode,bool)
Verse.DirectXmlToObject:ObjectFromXml<Verse.CompProperties> (System.Xml.XmlNode,bool)
Verse.DirectXmlToObject:ListFromXml<Verse.CompProperties> (System.Xml.XmlNode)
Verse.DirectXmlToObject:ListFromXmlReflection<Verse.CompProperties> (System.Xml.XmlNode)
Verse.DirectXmlToObject:ObjectFromXml<System.Collections.Generic.List`1<Verse.CompProperties>> (System.Xml.XmlNode,bool)
Verse.DirectXmlToObject:ObjectFromXmlReflection<System.Collections.Generic.List`1<Verse.CompProperties>> (System.Xml.XmlNode,bool)
Verse.DirectXmlToObject:ObjectFromXml<Verse.ThingDef> (System.Xml.XmlNode,bool)
Verse.DirectXmlToObject:ObjectFromXmlReflection<Verse.ThingDef> (System.Xml.XmlNode,bool)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.DirectXmlLoader.DefFromNode_Patch6 (System.Xml.XmlNode,Verse.LoadableXmlAsset)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.LoadedModManager.ParseAndProcessXML_Patch5 (System.Xml.XmlDocument,System.Collections.Generic.Dictionary`2<System.Xml.XmlNode, Verse.LoadableXmlAsset>,bool)
Verse.LoadedModManager:LoadAllActiveMods (bool)
Verse.PlayDataLoader:DoPlayLoad ()
Verse.PlayDataLoader:LoadAllPlayData (bool)
Verse.Root/<>c:<Start>b__6_1 ()
Verse.LongEventHandler:RunEventFromAnotherThread (System.Action)
Verse.LongEventHandler/<>c:<UpdateCurrentAsynchronousEvent>b__28_0 ()
System.Threading.ThreadHelper:ThreadStart_Context (object)
System.Threading.ExecutionContext:RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
System.Threading.ThreadHelper:ThreadStart ()