From what I can gather from the stacktrace, this mod kills my save after some time.

Exception drawing Cómaro: System.IndexOutOfRangeException: Index was outside the bounds of the array.
[Ref E88F5EE6]
at System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) [0x00156] in <eae584ce26bc40229c1b1aa476bfa589>:0
at System.Collections.Generic.Dictionary`2[TKey,TValue].set_Item (TKey key, TValue value) [0x00000] in <eae584ce26bc40229c1b1aa476bfa589>:0
at FacialAnimation.HarmonyPatches.PostfixBaseHeadOffsetAt (Verse.Rot4 rotation, Verse.Pawn ___pawn, UnityEngine.Vector3& __result) [0x00010] in <dba32a79e341465ca89d71801325ca2e>:0
- TRANSPILER PerformanceOptimizer.Main: IEnumerable`1 PerformanceOptimizer.Optimization_FasterGetCompReplacement:Transpiler(IEnumerable`1 instructions, MethodBase method)
at Verse.PawnRenderer.BaseHeadOffsetAt (Verse.Rot4 rotation) [0x000f6] in <69945a8ed6c540cf90b578de735e0605>:0
- POSTFIX OskarPotocki.VFECore: Void VFECore.PawnRenderer_BaseHeadOffsetAt:Postfix(PawnRenderer __instance, Vector3& __result)
- POSTFIX rimworld.Nals.FacialAnimation: Void FacialAnimation.HarmonyPatches:PostfixBaseHeadOffsetAt(Rot4 rotation, Pawn ___pawn, Vector3& __result)
at (wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Glue:AbiFixup<UnityEngine.Vector3 Verse.PawnRenderer:BaseHeadOffsetAt(Verse.Rot4),UnityEngine.Vector3 Verse.PawnRenderer.BaseHeadOffsetAt_Patch2(Verse.PawnRenderer, Verse.Rot4)>(Verse.PawnRenderer,UnityEngine.Vector3&,Verse.Rot4)
at Verse.PawnRenderNodeWorker_Head.OffsetFor (Verse.PawnRenderNode node, Verse.PawnDrawParms parms, UnityEngine.Vector3& pivot) [0x00014] in <69945a8ed6c540cf90b578de735e0605>:0
at Verse.PawnRenderNode.GetTransform (Verse.PawnDrawParms parms, UnityEngine.Vector3& offset, UnityEngine.Vector3& pivot, UnityEngine.Quaternion& rotation, UnityEngine.Vector3& scale) [0x00007] in <69945a8ed6c540cf90b578de735e0605>:0
at Verse.PawnRenderTree.TryGetMatrix (Verse.PawnRenderNode node, Verse.PawnDrawParms parms, UnityEngine.Matrix4x4& matrix) [0x00048] in <69945a8ed6c540cf90b578de735e0605>:0
at Verse.PawnRenderTree.ParallelPreDraw (Verse.PawnDrawParms parms) [0x000b1] in <69945a8ed6c540cf90b578de735e0605>:0
- PREFIX co.uk.epicguru.meleeanimation: Void AM.Patches.Patch_PawnRenderTree_ParallelPreDraw:Prefix(PawnDrawParms parms, State& __state)
- POSTFIX co.uk.epicguru.meleeanimation: Void AM.Patches.Patch_PawnRenderTree_ParallelPreDraw:Postfix(State& __state)
- POSTFIX rimworld.Nals.FacialAnimation: Void FacialAnimation.HarmonyPatches:PostfixParallelPreDraw(PawnRenderTree __instance, Pawn& ___pawn, List`1& ___drawRequests, PawnDrawParms parms)
at Verse.PawnRenderer.ParallelGetPreRenderResults (UnityEngine.Vector3 drawLoc, System.Nullable`1[T] rotOverride, System.Boolean neverAimWeapon, System.Boolean disableCache) [0x00277] in <69945a8ed6c540cf90b578de735e0605>:0
- TRANSPILER com.yayo.yayoAni: IEnumerable`1 YayoAnimation.HarmonyPatches.PawnPatches.ParallelGetPreRenderResultsPatch:Transpiler(IEnumerable`1 instructions)
- PREFIX com.yayo.yayoAni: Void YayoAnimation.HarmonyPatches.PawnPatches.ParallelGetPreRenderResultsPatch:Prefix(PawnRenderer __instance, Pawn ___pawn, Vector3& drawLoc, Nullable`1& rotOverride)
- PREFIX OskarPotocki.VFECore: Void VFECore.ParallelGetPreRenderResults_Patch:Prefix(PawnRenderer __instance, Vector3& drawLoc, Rot4 rotOverride, Boolean neverAimWeapon, Boolean& disableCache, Pawn ___pawn)
- PREFIX SmashPhil.VehicleFramework: Void Vehicles.Rendering:DisableCachingPawnOverlays(Pawn ___pawn, Boolean& disableCache)
- PREFIX rimworld.Nals.FacialAnimation: Boolean FacialAnimation.HarmonyPatches:PrefixParallelGetPreRenderResults(Pawn ___pawn, Boolean& disableCache)
at (wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition.Glue:AbiFixup<Verse.PawnRenderer+PreRenderResults Verse.PawnRenderer:ParallelGetPreRenderResults(UnityEngine.Vector3, System.Nullable`1[[Verse.Rot4, Assembly-CSharp, Version=1.5.9102.32373, Culture=neutral, PublicKeyToken=null]], System.Boolean, System.Boolean),Verse.PawnRenderer+PreRenderResults Verse.PawnRenderer.ParallelGetPreRenderResults_Patch4(Verse.PawnRenderer, UnityEngine.Vector3, System.Nullable`1[[Verse.Rot4, Assembly-CSharp, Version=1.5.9102.32373, Culture=neutral, PublicKeyToken=null]], System.Boolean, System.Boolean)>(Verse.PawnRenderer,Verse.PawnRenderer/PreRenderResults&,UnityEngine.Vector3,System.Nullable`1<Verse.Rot4>,bool,bool)
at Verse.PawnRenderer.ParallelPreRenderPawnAt (UnityEngine.Vector3 drawLoc, System.Nullable`1[T] rotOverride, System.Boolean neverAimWeapon) [0x00027] in <69945a8ed6c540cf90b578de735e0605>:0
- PREFIX co.uk.epicguru.meleeanimation: Void AM.Patches.Patch_PawnRenderer_ParallelPreRenderPawnAt:Prefix(PawnRenderer __instance, Vector3& drawLoc, Nullable`1& rotOverride)
at Verse.PawnRenderer.RenderPawnAt (UnityEngine.Vector3 drawLoc, System.Nullable`1[T] rotOverride, System.Boolean neverAimWeapon) [0x00067] in <69945a8ed6c540cf90b578de735e0605>:0
- PREFIX net.pardeike.rimworld.mod.camera+: Boolean CameraPlus.DotTools+PawnRenderer_RenderPawnAt_Patch:Prefix(Pawn ___pawn)
- PREFIX co.uk.epicguru.meleeanimation: Boolean AM.Patches.Patch_PawnRenderer_RenderPawnAt:Prefix(Pawn ___pawn, PawnRenderTree ___renderTree, PreRenderResults& ___results, Nullable`1& __state)
- POSTFIX co.uk.epicguru.meleeanimation: Void AM.Patches.Patch_PawnRenderer_RenderPawnAt:Postfix(Nullable`1 __state, PreRenderResults& ___results)
at Verse.PawnRenderer.DynamicDrawPhaseAt (Verse.DrawPhase phase, UnityEngine.Vector3 drawLoc, System.Nullable`1[T] rotOverride, System.Boolean neverAimWeapon) [0x0001d] in <69945a8ed6c540cf90b578de735e0605>:0
at Verse.Pawn.DynamicDrawPhaseAt (Verse.DrawPhase phase, UnityEngine.Vector3 drawLoc, System.Boolean flip) [0x0000f] in <69945a8ed6c540cf90b578de735e0605>:0
at Verse.Thing.DynamicDrawPhase (Verse.DrawPhase phase) [0x00017] in <69945a8ed6c540cf90b578de735e0605>:0
at Verse.DynamicDrawManager.DrawDynamicThings () [0x00140] in <69945a8ed6c540cf90b578de735e0605>:0
- PREFIX falconne.LabelsOnFloor: Boolean LabelsOnFloor.DynamicDrawManager_DrawDynamicThings_Patch:Prefix(DynamicDrawManager& __instance)
- POSTFIX net.pardeike.rimworld.mod.camera+: Void CameraPlus.DynamicDrawManager_DrawDynamicThings_Patch:Postfix()
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)