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Exception while saving game: System.NullReferenceException: Object reference not set to an instance of an object
  at RimWorld.TaleData_Def.ExposeData () [0x00000] in <filename unknown>:0
  at Verse.Scribe_Deep.Look[TaleData_Def] (RimWorld.TaleData_Def& target, Boolean saveDestroyedThings, System.String label, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at Verse.Scribe_Deep.Look[TaleData_Def] (RimWorld.TaleData_Def& target, System.String label, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at RimWorld.Tale_SinglePawnAndDef.ExposeData () [0x00000] in <filename unknown>:0
  at Verse.Scribe_Deep.Look[Tale] (RimWorld.Tale& target, Boolean saveDestroyedThings, System.String label, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at Verse.Scribe_Collections.Look[Tale] (System.Collections.Generic.List`1& list, Boolean saveDestroyedThings, System.String label, LookMode lookMode, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at Verse.Scribe_Collections.Look[Tale] (System.Collections.Generic.List`1& list, System.String label, LookMode lookMode, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at RimWorld.TaleManager.ExposeData () [0x00000] in <filename unknown>:0
  at Verse.Scribe_Deep.Look[TaleManager] (RimWorld.TaleManager& target, Boolean saveDestroyedThings, System.String label, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at Verse.Scribe_Deep.Look[TaleManager] (RimWorld.TaleManager& target, System.String label, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at Verse.Game.ExposeSmallComponents () [0x00000] in <filename unknown>:0
  at Verse.Game.ExposeData () [0x00000] in <filename unknown>:0
  at Verse.Scribe_Deep.Look[Game] (Verse.Game& target, Boolean saveDestroyedThings, System.String label, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at Verse.Scribe_Deep.Look[Game] (Verse.Game& target, System.String label, System.Object[] ctorArgs) [0x00000] in <filename unknown>:0
  at Verse.GameDataSaveLoader.<SaveGame>m__911 () [0x00000] in <filename unknown>:0
  at Verse.SafeSaver.DoSave (System.String fullPath, System.String documentElementName, System.Action saveAction) [0x00000] in <filename unknown>:0

(Filename: C:/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 42)

So I recently reinstalled my OS to fix my drivers, and when I was hyped about playing rimworld again, my save from a week ago shot this line at me (While the game was trying to autosave). No save occurred. I can't tell what the error says, or how to fix it since it's not giving me any clues. If anyone could give me a hand with this that would be great.

I can also provide a mod list if needed.

So earlier today, I was at my usual business in Rimworld, you know, building solar panels & that. Now, during every night my power goes out momentarily, as my batteries give in right before sunrise, so I built a backup power bank consisting of about 9 solar panels, 6 Wind Turbines, around 13 batteries and a switch (The important object in this) because for some reason Randy likes to spawn Infestations hive events everywhere during this small window and it's bloody annoying. Now usually I don't have any problems with my colonists flicking the switch, but this time, one of my colonists flicked the switch and boom, LSD Party in Rimworld, It seems like everything pauses and everything changes into a weird colour, however when I bring up the menu, that's unchanged. I've tried reloading previous saves and repeating it but it just leads to the same thing.

I'd be happy to give screenshots if required.

Edit: This seems to only occur if the switch flipping is forced manually, just tested it.