Help with Better Player Kingdoms Mod

[Phooooone]

Better Player kingdoms mod

everything in this mod works fine except for when i try to create a new vassal with shift click on gift fief.

idk how to put the betterExceptionWindow crash report here so ill just copy paste if anything else is needed for you guys to help me just post and ill try to provide:

Reasons:
Source: BetterPlayerKingdom
Method not found: 'TaleWorlds.CampaignSystem.Clan TaleWorlds.CampaignSystem.Clan.CreateClan(System.String)'.

Inner Exception:
Source: No module
No inner exception was thrown

Callstacks:
Inner exception callstack: No inner exception was thrown

Outer exception callstack: at BetterPlayerKingdom.AnnexFiefPatch.createNewVassal(Settlement settlement)
at BetterPlayerKingdom.AnnexFiefPatch.<>c__DisplayClass0_0.b__0() in C:\Users\18585\source\repos\NoWageForFamily\NoWageForFamily\AnnexFiefPatch.cs:line 36
at TaleWorlds.Core.ViewModelCollection.PopUpVM.ExecuteProcess()
at TaleWorlds.MountAndBlade.GauntletUI.AutoGenerated.PopUp__TaleWorlds_Core_ViewModelCollection_PopUpVM.EventListenerOf_widget_0_1_3_1(Widget widget, String commandName, Object[] args)
at TaleWorlds.GauntletUI.Widget.EventFired(String eventName, Object[] args)
at TaleWorlds.GauntletUI.ButtonWidget.HandleClick()
at TaleWorlds.GauntletUI.ButtonWidget.OnMouseReleased()
at TaleWorlds.GauntletUI.EventManager.MouseUp()
at TaleWorlds.GauntletUI.UIContext.UpdateInput(InputType handleInputs)
at TaleWorlds.Engine.Screens.ScreenManager.Update()
at TaleWorlds.Engine.Screens.ScreenManager.Tick_Patch2(Single dt)