Server Error in '/' Application.

Illegal characters in path.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Illegal characters in path.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[ArgumentException: Illegal characters in path.]
   System.IO.LongPathHelper.Normalize(String path, UInt32 maxPathLength, Boolean checkInvalidCharacters, Boolean expandShortPaths) +1087
   System.IO.Path.NormalizePath(String path, Boolean fullCheck, Int32 maxPathLength, Boolean expandShortPaths) +14561820
   System.IO.Path.GetFullPathInternal(String path) +139
   System.Security.Util.StringExpressionSet.CanonicalizePath(String path, Boolean needFullPath) +38
   System.Security.Util.StringExpressionSet.CreateListFromExpressions(String[] str, Boolean needFullPath) +316
   System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess access, AccessControlActions control, String[] pathListOrig, Boolean checkForDuplicates, Boolean needFullPath, Boolean copyPathList) +121
   System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess access, String path) +94
   System.Web.InternalSecurityPermissions.PathDiscovery(String path) +43
   System.Web.HttpRequest.get_PhysicalPath() +54
   Sitecore.Web.XFrameOptionsHeaderModule.IsSitecoreFolderRequest(HttpContextBase httpContext) +35
   Sitecore.Web.XFrameOptionsHeaderModule.BeginRequestHandler(Object sender, EventArgs e) +109
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +223
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +220
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +94


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0