Object doesn't support this property or method And RadScriptManager

[nyi nyi]

Hi,

I am newbie to Telerik Asp .net controls. My company is using the latest version of Telerik Asp .net Ajax controls. 
Whenever i run the web site, I got the following errors. Could any please give me any idea about it? 

Thanks in advance.

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)

Timestamp: Tue, 31 Aug 2010 02:24:13 UTC

Message: Object doesn't support this property or method

Line: 13462

Char: 67

Code: 0

URI: http://localhost:50450/Web/Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=RadScriptManager1_HiddenField&compress=1&_TSM_CombinedScripts_=%3b%3bSystem.Web.Extensions%2c+Version%3d4.0.0.0%2c+Culture%3dneutral%2c+PublicKeyToken%3d31bf3856ad364e35%3aen-US%3a8f393b2b-3315-402f-b504-cd6d2db001f6%3aea597d4b%3ab25378d2%3bTelerik.Web.UI%3aen-US%3afa29fa87-3646-4a1f-8f90-45263b4e63e9%3a16e4e7cd%3a874f8ea2%3af7645509%3a24ee1bba%3a19620875%3a33108d14%3abd8f85e4%3aed16cbdc%3ae330518b%3a1e771326%3ac8618e41%3a86526ba7%3a58366029%3aaa288e2d%3ab7778d6c%3a8674cba1%3ac08e9f8a%3a59462f1%3aa51ee93e%3ae085fe68

Regards,
Nyi Nyi

[Simon]

Hi nyi nyi,

Can you please paste here the code where the error happens occurs? (You can navigate to the code by using the developer tools in IE or FireBug in FireFox.)

Greetings,
Simon
the Telerik team

[nyi nyi]

Hi Simon,

Thanks for your reply. I upgraded to the latest version and the problem'd been solved.
Thanks.

Regards,
Nyi Nyi