I need help

2015-04-08 15:34:30,965 [1] INFO Logger (null) - [BotManager] MsBetweenTicks = 15
2015-04-08 15:34:44,821 [1] INFO Logger (null) - Hearthbuddy [0.3.904.146] is up to date!
2015-04-08 15:34:45,422 [1] INFO Logger (null) - T: 5247327059275997639 H: 1394493530
2015-04-08 15:34:45,879 [1] INFO Logger (null) - Hearthbuddy Version: 0.3.904.146
Path: C:\Users\<Username>\Desktop\Hearthbuddy 0.3.904.146(1)\Hearthbuddy.exe

OS Name: Windows 7
OS Edition: Professional
OS Service Pack: Service Pack 1
OS Version: 6.1.7601.65536
OS Architecture: x64
.NET Runtime Version: 4.0.30319.17929

2015-04-08 15:34:47,481 [3] ERROR Logger (null) - System.MissingMethodException: Método não encontrado: 'Void System.Runtime.InteropServices.Marshal.StructureToPtr(UInt32, IntPtr, Boolean)'.
em GreyMagic.MemoryBase.WriteMarshaled[T](IntPtr addr, T value, Boolean& wasRead)
em GreyMagic.MemoryBase.Write[T](IntPtr addr, T value)
em GreyMagic.Executor.set_FrameDropWaitTime(UInt32 value)
em GreyMagic.Executor.InitializeDetour()
em GreyMagic.Executor..ctor(ExternalProcessMemory memory, ExecutorInitParams initParams)
em GreyMagic.ExternalProcessMemory.Init(ExternalProcessMemoryInitParams initParams)
em GreyMagic.ExternalProcessMemory.Init(Process p, Boolean startupExecutor, Boolean dx9, Boolean startupRasm, IntPtr hookFunc, Boolean defaultCacheValue, Int32 copyBytes, Boolean veh, Boolean iatHook)
em GreyMagic.ExternalProcessMemory..ctor(Process p, Boolean startupExecutor, Boolean dx9, Boolean startupRasm)
em Triton.Game.TritonHs.?(Process ?, ? ?, String& ??)
2015-04-08 15:34:50,222 [1] DEBUG Logger (null) - The log filename has been copied to the clipboard: C:\Users\<Username>\Desktop\Hearthbuddy 0.3.904.146(1)\Logs\Hearthbuddy 7900 2015-04-08 12.34.txt