Could not resolve cross-reference to Verse.ResearchProjectDef named MultibarrelWeapons (wanter=prerequisites)
Verse.Log:Error(String, Boolean)
Verse.DirectXmlCrossRefLoader:TryResolveDef(String, FailMode, Object)
Verse.WantedRefForList`1:TryResolve(FailMode)
Verse.DirectXmlCrossRefLoader:ResolveAllWantedCrossReferences(FailMode)
Verse.PlayDataLoader:DoPlayLoad()
Verse.PlayDataLoader:LoadAllPlayData(Boolean)
Verse.Root:<Start>m__1()
Verse.LongEventHandler:RunEventFromAnotherThread(Action)
Verse.LongEventHandler:<UpdateCurrentAsynchronousEvent>m__1()




Cannot call ItemFromXmlFile with resolveCrossRefs=true while loading is already in progress.
Verse.Log:Error(String, Boolean)
Verse.DirectXmlLoader:ItemFromXmlFile(String, Boolean)
RimWorld.PlayerKnowledgeDatabase:ReloadAndRebind()
RimWorld.PlayerKnowledgeDatabase:.cctor()
Verse.PlayDataLoader:DoPlayLoad()
Verse.PlayDataLoader:DoPlayLoad()
Verse.PlayDataLoader:LoadAllPlayData(Boolean)
Verse.Root:<Start>m__1()
Verse.LongEventHandler:RunEventFromAnotherThread(Action)
Verse.LongEventHandler:<UpdateCurrentAsynchronousEvent>m__1()