Exception in Verse.TickList.Tick: System.NullReferenceException: Object reference not set to an instance of an object
  at LevelThis.HealthLevelling.PostPostApplyDamage (Verse.DamageInfo dinfo, System.Single totalDamageDealt) [0x00017] in <bfcd0f1de90c47e3a7efb26577130c2d>:0
  at Verse.ThingWithComps.PostApplyDamage (Verse.DamageInfo dinfo, System.Single totalDamageDealt) [0x00020] in <3126aca1aad041dcbdeda807cfe004bf>:0
  at Verse.Pawn.PostApplyDamage (Verse.DamageInfo dinfo, System.Single totalDamageDealt) [0x00000] in <3126aca1aad041dcbdeda807cfe004bf>:0
     - postfix rimworld.murmur.esp: Void MUR_ESP.Pawn_PostApplyDamage:Postfix(Pawn& __instance, DamageInfo& dinfo)
     - postfix com.rimworld.mod.dd: Void DD.DD_Pawn_PostApplyDamage:Postfix(Pawn __instance, DamageInfo dinfo, Single totalDamageDealt)
  at Verse.Thing.TakeDamage (Verse.DamageInfo dinfo) [0x0024e] in <3126aca1aad041dcbdeda807cfe004bf>:0
     - transpiler rimworld.infused: IEnumerable`1 Infused.DamageResult_Ctor_Patch:Transpiler(IEnumerable`1 e)
     - transpiler Amnabi.Knockback: IEnumerable`1 PawnKnockback.AbsorbDamagePatch:Transpiler(ILGenerator generator, IEnumerable`1 instructions)
     - prefix OskarPotocki.VFECore: Void AnimalBehaviours.Patch_TakeDamage:Prefix(Thing __instance, DamageInfo dinfo)
     - prefix Neronix17.TabulaRasa.RimWorld: Boolean TabulaRasa.Patch_Thing_TakeDamage:Prefix(DamageInfo dinfo, Thing& __instance, DamageResult& __result)
     - prefix rimworld.biomes.core: Boolean BiomesCore.Patches.DI_TakeDamage_Patch:DI_TakeDamage(Thing __instance, DamageResult& __result, DamageInfo dinfo)
     - prefix kittahkhan.justafleshwound: Boolean JustAFleshWound.Patch.PatchThing:Prefix(DamageInfo& dinfo, Thing& __instance)
     - postfix OskarPotocki.VFECore: Void VFECore.Patch_Thing_TakeDamage:Postfix(Thing __instance, DamageInfo dinfo)
     - postfix OskarPotocki.VanillaTraitsExpanded: Void VanillaTraitsExpanded.TakeDamage_Patch:Postfix()
     - postfix com.CaesarV6.DamageMotes.Patch: Void DamageMotes.DamageMotes_Patch:Postfix(DamageInfo dinfo, Thing __instance, DamageResult __result)
  at RimWorld.Bullet.Impact (Verse.Thing hitThing, System.Boolean blockedByShield) [0x000d1] in <3126aca1aad041dcbdeda807cfe004bf>:0
     - postfix com.arquebus.rimworld.mod.morepersonatraits: Void MorePersonaTraits.Patches.PatchOnDamageBullet:Postfix(Thing hitThing, Bullet __instance)
     - postfix FarmerJoe.MakaiTech: Void MakaiTech.Bullet_Impact_SkillDrainPatch:Postfix(Thing& hitThing, Bullet& __instance)
     - postfix FarmerJoe.MakaiTech: Void MakaiTech.Bullet_ImpactDistortedPatch:Postfix(Thing& hitThing, Bullet& __instance)
     - postfix FarmerJoe.MakaiTech: Void MakaiTech.Bullet_Impact_HediffToSelfOnTargetHitPatch:Postfix(Thing& hitThing, Bullet& __instance)
  at BetterRimworlds.ZatGun.Projectile_ZatBlast.Impact (Verse.Thing hitThing, System.Boolean blockedByShield) [0x00001] in <b88f14c99f264e9bb312ceef9dd71b95>:0
  at Verse.Projectile.ImpactSomething () [0x00191] in <3126aca1aad041dcbdeda807cfe004bf>:0
     - transpiler OskarPotocki.VFECore: IEnumerable`1 VFECore.Projectile_SetTrueOrigin:Transpiler(IEnumerable`1 codeInstructions)
     - prefix net.papaz.projectileinversion: Boolean ProjectileInversion.Projectile_ImpactSomething:Prefix(Projectile __instance)
     - postfix OskarPotocki.VFECore: Void VFEMech.TeslaProjectile+ProjectilePatches:Postfix()
  at Verse.Projectile.Tick () [0x00111] in <3126aca1aad041dcbdeda807cfe004bf>:0
     - postfix OskarPotocki.VFECore: Void VFECore.Projectile_Tick_Patch:Postfix(Projectile __instance)
  at Verse.TickList.Tick () [0x0017d] in <3126aca1aad041dcbdeda807cfe004bf>:0
     - transpiler net.pardeike.rimworld.lib.harmony: IEnumerable`1 VisualExceptions.ExceptionsAndActivatorHandler:Transpiler(IEnumerable`1 instructions, MethodBase original)