Server Error in '/' Application.

The argument 'fileName' cannot be null or empty.
Parameter name: fileName

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: The argument 'fileName' cannot be null or empty.
Parameter name: fileName

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: The argument 'fileName' cannot be null or empty.
Parameter name: fileName]
   DotNetNuke.Common.Requires.NotNullOrEmpty(String argName, String argValue) +146
   DotNetNuke.Services.FileSystem.FileManager.GetFile(IFolderInfo folder, String fileName, Boolean retrieveUnpublishedFiles) +22
   DotNetNuke.Services.FileSystem.FileManager.GetFile(IFolderInfo folder, String fileName) +15
   DotNetNuke.Common.Utilities.UrlController.UpdateUrlTracking(Int32 PortalID, String Url, Int32 ModuleId, Int32 UserID) +155
   DotNetNuke.Services.FileSystem.FileServerHandler.ProcessRequest(HttpContext context) +1047
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +195
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +73


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4110.0