[Mod Error] Error report by Achtung! mod

[donkeyxxx]

Hello, I am new to this forum, anyway I've just downloaded the game again and trying to load my previous mods into the game but Achtun! mod gave me this error message:

Exception in RimWorld.FloatMenuMakerMap.ChoicesAtFor: System.ArgumentNullException: Value cannot be null.
Parameter name: type
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic) [0x00003] in <eae584ce26bc40229c1b1aa476bfa589>:0
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <eae584ce26bc40229c1b1aa476bfa589>:0
  at RimWorld.WorkGiverDef.get_Worker () [0x00008] in <cd7169108ea74757aa50c5b33d275c15>:0
  at RimWorld.FloatMenuMakerMap.AddJobGiverWorkOrders (UnityEngine.Vector3 clickPos, Verse.Pawn pawn, System.Collections.Generic.List`1[T] opts, System.Boolean drafted) [0x0013c] in <cd7169108ea74757aa50c5b33d275c15>:0
     - transpiler net.pardeike.rimworld.mods.achtung: IEnumerable`1 AchtungMod.FloatMenuMakerMap_AddJobGiverWorkOrders_Patch:Transpiler(IEnumerable`1 instructions)
     - prefix OskarPotocki.VFECore: Boolean AnimalBehaviours.VanillaExpandedFramework_FloatMenuMakerMap_AddJobGiverWorkOrders_Patch:SkipIfAnimal(Pawn pawn)
     - prefix VanillaExpanded.VFEA: Void VFEAncients.PowerWorker_NoPrioritize:StoreOpts(List`1 opts, List`1& __state, Pawn pawn)
     - prefix net.pardeike.rimworld.mods.achtung: Void AchtungMod.FloatMenuMakerMap_AddJobGiverWorkOrders_Patch:Prefix(Pawn pawn, ForcedWork& __state)
     - postfix VanillaExpanded.VFEA: Void VFEAncients.PowerWorker_NoPrioritize:DisableOpts(List`1 opts, List`1 __state, Pawn pawn)
     - postfix net.pardeike.rimworld.mods.achtung: Void AchtungMod.FloatMenuMakerMap_AddJobGiverWorkOrders_Patch:Postfix(Pawn pawn, ForcedWork __state)
  at RimWorld.FloatMenuMakerMap.AddUndraftedOrders (UnityEngine.Vector3 clickPos, Verse.Pawn pawn, System.Collections.Generic.List`1[T] opts) [0x00085] in <cd7169108ea74757aa50c5b33d275c15>:0
  at RimWorld.FloatMenuMakerMap.ChoicesAtFor (UnityEngine.Vector3 clickPos, Verse.Pawn pawn, System.Boolean suppressAutoTakeableGoto) [0x00108] in <cd7169108ea74757aa50c5b33d275c15>:0
     - postfix OskarPotocki.VFECore: Void VFE.Mechanoids.HarmonyPatches.FloatMenuMakerMap_ChoicesAtFor_Patch:Postfix(List`1& __result, Vector3 clickPos, Pawn pawn, Boolean suppressAutoTakeableGoto)
     - postfix net.pardeike.rimworld.mods.achtung: Void AchtungMod.FloatMenuMakerMap_ChoicesAtFor_Postfix:Postfix(List`1 __result, Vector3 clickPos, Pawn pawn)
     - finalizer net.pardeike.rimworld.mods.achtung: Exception AchtungMod.FloatMenuMakerMap_ChoicesAtFor_Finalizer:Finalizer(Exception __exception, List`1& __result)

I've tried to juggle and swap in and out several mods for few hours but no luck. Please help, thanks!

*PS: I don't know if I should post this error in this thread or on the bug section.