WPF Problem I need Help about this

SeverityCodeDescriptionProjectPathFileLineSuppression State
ErrorThe "ResourcesGenerator" task failed unexpectedly.
System.ArgumentException: Illegal characters in path.
   at System.Security.Permissions.FileIOPermission.EmulateFileIOPermissionChecks(String fullPath)
   at System.Security.Permissions.FileIOPermission.QuickDemand(FileIOPermissionAccess access, String fullPath, Boolean checkForDuplicates, Boolean needFullPath)
   at MS.Internal.Tasks.TaskHelper.CreateFullFilePath(String thePath, String rootPath)
   at Microsoft.Build.Tasks.Windows.ResourcesGenerator.ValidResourceFiles(ITaskItem[] inputFiles)
   at Microsoft.Build.Tasks.Windows.ResourcesGenerator.Execute()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__26.MoveNext()Otsutsuki