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It is not expected behavior for the Cultures folder to disappear after upgrade. I've tried to reproduce the issue but I had no luck. However you can add the folder again to your project by following these steps:
- Open your project
- Select Telerik | Kendo UI for ASP.NET MVC | Configure Project from the Visual Studio main menu
- Check the Copy Global Resources checkbox in the opened wizard and click Finish
Please let me know if you need further assistance.
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