Error on Downloading Demo

When attempting to download the demo for Aspose.Spell, I received the following exception on the site:

Server Error in ‘/Downloads’ Application.
Value cannot be null. Parameter name: String
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.ArgumentNullException: Value cannot be null. Parameter name: String

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:

[ArgumentNullException: Value cannot be null.
Parameter name: String]
System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +0
Aspose.Downloads.DownloadFile.Page_Load(Object sender, EventArgs e) +169
System.Web.UI.Control.OnLoad(EventArgs e) +67
System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +750


Version Information: Microsoft .NET Framework Version:1.1.4322.2300;
ASP.NET Version:1.1.4322.2300
Just thought you’d like to know.

Did you mean the download at page:

http://www.aspose.com/Downloads/Aspose.Spell/1.8.0.0/Default.aspx

I can download it without problems.