sentience catalyst wont work

Root level exception in OnGUI(): System.InvalidCastException: Specified cast is not valid.
[Ref 868AD3B]
  at VexedThings.HarmonyPatches.Corpse_Patches+BaseTargetValidator_HarmonyPatch.Postfix (Verse.LocalTargetInfo target, RimWorld.CompTargetable instance, System.Boolean& result) [0x00008] in <deba61b8f5c642eaa4e76720d2b8c33e>:0
  at RimWorld.CompTargetable.ValidateTarget (Verse.LocalTargetInfo target, System.Boolean showMessages) [0x001ff] in <6da1487e5ee54dbaa247483ee017ab2f>:0

POSTFIX vexedtrees.RimRobots: Void VexedThings.HarmonyPatches.Corpse_Patches+BaseTargetValidator_HarmonyPatch:Postfix(LocalTargetInfo target, CompTargetable instance, Boolean& result)
POSTFIX VREAndroidsMod: Void VREAndroids.CompTargetable_ValidateTarget_Patch:Postfix(CompTargetable instance, LocalTargetInfo target, Boolean& result)
at RimWorld.CompTargetable.OnGUI (Verse.LocalTargetInfo target) [0x00022] in <6da1487e5ee54dbaa247483ee017ab2f>:0
at RimWorld.Targeter.TargeterOnGUI () [0x00010] in <6da1487e5ee54dbaa247483ee017ab2f>:0
at RimWorld.MapInterface.MapInterfaceOnGUI_BeforeMainTabs () [0x00079] in <6da1487e5ee54dbaa247483ee017ab2f>:0
POSTFIX Bubbles: Void Bubbles.Access.RimWorld_MapInterface_MapInterfaceOnGUI_BeforeMainTabs:Postfix()
at RimWorld.UIRoot_Play.UIRootOnGUI () [0x0001f] in <6da1487e5ee54dbaa247483ee017ab2f>:0
at Verse.Root.OnGUI () [0x00040] in <6da1487e5ee54dbaa247483ee017ab2f>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch1 (string)
Verse.Root:OnGUI ()