エラー････

はじめまして、既出かもしれませんが
failed to load contribution {607AA03D-4204-459E-A835-F4067A321331J}
   at freetrain.framework.plugin.Plugin.loadContributions() in C:\Project\FreeTrain\Patch\FreeTrain\core\framework\plugin\Plugin.cs:line 146
   at freetrain.framework.plugin.PluginManager.init(ICollection dirs, ProgressHandler progressHandler) in C:\Project\FreeTrain\Patch\FreeTrain\core\framework\plugin\PluginManager.cs:line 155
呼び出しのターゲットが例外をスローしました。
   at System.Reflection.RuntimeConstructorInfo.InternalInvoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean isBinderDefault)
   at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(Type type, Object[] args)
   at freetrain.framework.plugin.FixedClassContributionFactory.load(Plugin owner, XmlElement e) in C:\Project\FreeTrain\Patch\FreeTrain\core\framework\plugin\FixedClassContributionFactory.cs:line 28
   at freetrain.framework.plugin.Plugin.loadContributions() in C:\Project\FreeTrain\Patch\FreeTrain\core\framework\plugin\Plugin.cs:line 141
unable to load music file: C:\Documents and Settings\Naoto\デスクトップ\FreeTrain20050118.bin\plugins\Hatsumelo\sendai12.wav
   at org.kohsuke.directaudio.Segment.fromFile(String fileName) in C:\Project\FreeTrain\FreeTrain\lib\DirectAudio.net\src\Segment.cs:line 22
   at freetrain.framework.ResourceUtil.loadSound(Uri uri) in C:\Project\FreeTrain\Patch\FreeTrain\core\framework\ResourceUtil.cs:line 58
   at freetrain.contributions.rail.DepartureBellContribution..ctor(XmlElement e) in C:\Project\FreeTrain\Patch\FreeTrain\core\contributions\rail\DepartureBellContribution.cs:line 22
HRESULT からの例外です : 0x88781182。
   at DxVBLibA.DirectMusicLoader8.LoadSegment(String filename)
   at org.kohsuke.directaudio.Segment.fromFile(String fileName) in C:\Project\FreeTrain\FreeTrain\lib\DirectAudio.net\src\Segment.cs:line 20
というエラーが出てきてしまいます。解決法を教えてください。
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エラー ････

エラー････
