Repeating bug causes outside temperature not to change and caravans not to move

[Nile]

Hello, I've been playing with a list of mods that work wonderfully together up until I quit the game for the first time and load back in. What happens is as soon as I reload a world I get this error message in the debug log that happens what looks like every tick.

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System.NullReferenceException: Object reference not set to an instance of an object
at Verse.Gen.HashOffsetTicks (Verse.Thing) <0x0001c>
at Verse.Gen.IsHashIntervalTick (Verse.Thing,int) <0x00010>
at Verse.HediffComp_SeverityPerDay.CompPostTick (single&) <0x00027>
at Verse.HediffWithComps.PostTick () <0x00049>
at Verse.Pawn_HealthTracker.HealthTick () <0x00086>
at (wrapper dynamic-method) Verse.Pawn.Tick_Patch1 (object) <0x001a9>
at RimWorld.Planet.WorldPawns.WorldPawnsTick () <0x00088>
at RimWorld.Planet.World.WorldTick () <0x00017>
at Verse.TickManager.DoSingleTick () <0x0024c>

I don't really understand how the code in this game works so I was hoping someone else might be generous enough to explain to me what I did wrong. Here's a GitHub upload of the entire error message which is literally only everything that happens upon world load.

https://gist.github.com/HugsLibRecordKeeper/64379ab5a7d252b3bb401e5523c06a84

In the meantime I'm going to try to enable and disable mods one at a time and see if I can find the incompatibility. Thanks.