Hi Henry, Could you please try to follow suggestions described in 'Timeout with error msg: Validation of viewstate MAC failed...' article? Best Regards, Martin Dobsicek

Well that may be true but in this case if an option is selected the page redirects so forgetting the selected item is not important. As for loading dynamically it's fine if you load the items before Viewstate is turned as .net automatically reselects the correct item by que...

Hello, I believe the root cause will have something to do with the viewstate not being loaded correctly or not being allowed to load, since the Sitename is loaded directly from the viewstate. Can you please check your web.config file to ensure you aren’t disabling the view...

Am facing this issue and I found event log like this I added in below. Message: Exception of type 'System.Web.HttpUnhandledException' was thrown. Exception type: System.Web.HttpUnhandledException Stack trace: at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI...

Upgraded from 10 to 11, when I try to view the site locally https://localhost:44349/ I get a message: Either the website is stopped or the requested domain name is not configured for any website: https://localhost:443/ If you're an administrator of this site, you need to go t...

Hello, currently we have a kentico 8 installation, that we have upgraded from version 5.5. After some tweaking, all the core Kentico features seem to be working fine. However, the ecommerce webparts are not present ( the files exist on the webparts folder, but the CMS elements...

Unexpected exception occurred while processing activities. Message: [DataConnection.HandleError]: Query: Proc_OM_Score_UpdateContactScore Caused exception: Invalid column name 'PageVisitDetail'. Exception type: System.Exception Stack trace: at CMS.DataEngine.AbstractDataCo...

Hi, we have hosted kentico 12 MVC site on Azure web apps, we have production set up which is working well. I have set up another instance for staging oneday back and its giving invalid license error. The CMS site is working fine, but MVC site I am getting invalid license error...

**Version**: Kentico 9 I am trying to query my documents using the DocumentQuery API however the field in which I am using a whereContains is causing an error because not all documents contain that column. However the DocumentQuery API doesn't give me the option to use the Mu...

Hi Juraj, here we go: Settings for site "www.vtx.ch", category "URLs and SEO" URL format -------------------------------------------------- Forbidden URL characters: Forbidden characters replacement: - Allowed URL characters: Friendly URL extensions: ...