Crash (0.39)Random crashes 2/3 times a day

[HorazVitae]

Well yeah, here it is...no evident reason for happening consecutively.

System specifications:
Pokémon 3D version: 0.39
Operating system: Microsoft Windows 7 Home Premium  [6.1.7601.65536]
System time: 10.11.2013 13:06:10
System language: DEULoaded language: de
Decimal seperator: ,
Content Packs: {}
Active GameMode: Pokemon 3D
Operating online: TRUE (127121)
Game environment: BattleScreenV2
Actionscript: No script running
---------------------------

Here is further information:
Message: An unexpected error has occurred.
InnerException: NOTHING
BaseException: An unexpected error has occurred.
HelpLink: No helplink available.
Data: System.Collections.ListDictionaryInternal
Source: Microsoft.Xna.Framework.Graphics
TargetSite: Name: CopyData [
  Attributes: PrivateScope, Private, HideBySig
  CallingConvention: Standard, HasThis
  ContainsGenericParameters: True
  DeclaringType: Microsoft.Xna.Framework.Graphics.Texture2D
  IsAbstract: False
  IsAssembly: False
  IsConstructor: False
  IsFamily: False
  IsFamilyAndAssembly: False
  IsFamilyOrAssembly: False
  IsFinal: False
  IsGenericMethod: True
  IsGenericMethodDefinition: True
  IsHideBySig: True
  IsPrivate: True
  IsPublic: False
  IsSecurityCritical: True
  IsSecuritySafeCritical: True
  IsSecurityTransparent: False
  IsSpecialName: False
  IsStatic: False
  IsVirtual: False
  MemberType: Method
  MetadataToken: 100663857
  MethodHandle: System.RuntimeMethodHandle
  Module: Microsoft.Xna.Framework.Graphics.dll
  ReflectedType: Microsoft.Xna.Framework.Graphics.Texture2D
  ]

StackTrace:    bei Microsoft.Xna.Framework.Graphics.Texture2D.CopyData[T](Int32 level, Nullable`1 rect, T[] data, Int32 startIndex, Int32 elementCount, UInt32 options, Boolean isSetting)
  bei Microsoft.Xna.Framework.Graphics.Texture2D.GetData[T](Int32 level, Nullable`1 rect, T[] data, Int32 startIndex, Int32 elementCount)
  bei _2._5DHero.Textures.TextureRectangle(Texture2D Texture, Rectangle Rectangle, Int32 Factor)
  bei _2._5DHero.NPC.ChangeTexture()
  bei _2._5DHero.NPC.Update()
  bei _2._5DHero.Level.UpdateEntities()
  bei _2._5DHero.Level.Update()
  bei _2._5DHero.BV2.BattleScreenV2.Update()
  bei _2._5DHero.Basic.Update(GameTime gameTime)
  bei _2._5DHero.DGame.Update(GameTime gameTime)
  bei Microsoft.Xna.Framework.Game.Tick()
  bei Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
  bei Microsoft.Xna.Framework.GameHost.OnIdle()
  bei Microsoft.Xna.Framework.WindowsGameHost.RunOneFrame()
  bei Microsoft.Xna.Framework.WindowsGameHost.ApplicationIdle(Object sender, EventArgs e)
  bei System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
  bei System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
  bei System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
  bei System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
  bei System.Windows.Forms.Application.Run(Form mainForm)
  bei Microsoft.Xna.Framework.WindowsGameHost.Run()
  bei Microsoft.Xna.Framework.Game.RunGame(Boolean useBlockingRun)
  bei Microsoft.Xna.Framework.Game.Run()
  bei _2._5DHero.Program.Main(String[] args)