Could not execute post-long-event action. Exception: System.TypeInitializationException: An exception was thrown by the type initializer for VFESecurity.StaticConstructorClass ---> System.NullReferenceException: Object reference not set to an instance of an object
  at VFESecurity.ArtilleryStrikeUtility+<>c.<SetCache>b__1_0 (Verse.ThingDef t) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1D`1[Verse.ThingDef].MoveNext () [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Verse.ThingDef].AddEnumerable (IEnumerable`1 enumerable) [0x00000] in <filename unknown>:0
  at System.Collections.Generic.List`1[Verse.ThingDef]..ctor (IEnumerable`1 collection) [0x00000] in <filename unknown>:0
  at System.Linq.Enumerable.ToList[ThingDef] (IEnumerable`1 source) [0x00000] in <filename unknown>:0
  at VFESecurity.ArtilleryStrikeUtility.SetCache () [0x00000] in <filename unknown>:0
  at VFESecurity.StaticConstructorClass..cctor () [0x00000] in <filename unknown>:0
  --- End of inner exception stack trace ---
at (wrapper managed-to-native) System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor (intptr) <0x00065>
at (wrapper dynamic-method) System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor_Patch1 (System.RuntimeTypeHandle) <0x00073>
at StartupImpact.Patch.StaticConstructorOnStartupUtilityCallAll.Prefix () <0x00152>
at (wrapper dynamic-method) Verse.StaticConstructorOnStartupUtility.CallAll_Patch2 () <0x00021>
at Verse.PlayDataLoader.<DoPlayLoad>m__2 () <0x00032>
at Verse.LongEventHandler.ExecuteToExecuteWhenFinished () <0x001c3>

Verse.Log:Error(String, Boolean)
Verse.LongEventHandler:ExecuteToExecuteWhenFinished()
Verse.LongEventHandler:UpdateCurrentAsynchronousEvent()
Verse.LongEventHandler:LongEventsUpdate(Boolean&)
Verse.Root:Update_Patch1(Object)
Verse.Root_Entry:Update()