I try to use trainer but giving this error https://prnt.sc/WFUTFhB8TrEB

MissingMethodException: Method not found: EntityBuffs/BuffStatus .EntityBuffs.AddBuff(string,int,bool,bool,bool) UnityEngine.GUILayout+LayoutedWindow.DoWindow (System.Int32 windowID) (at <b530f73754424930a602d722825c322a>:0)
UnityEngine.GUI.CallWindowDelegate (UnityEngine.GUI+WindowFunction func, System.Int32 id, System.Int32 instanceID, UnityEngine.GUISkin _skin, System.Int32 forceRect, System.Single width, System.Single height, UnityEngine.GUIStyle style) (at <b530f73754424930a602d722825c322a>:0)



how can i fix this ?