Hi Amir,
This is a very strange error and we have not seen this issue before. It seems that for some reason there are some dynamic assemblies being loaded by the app that are not expected. Can you give us some more information about your environment such as:
1. What is your OS?
2. Is this machine used for development?
3. What versions of the .NET framework do you have on your machine?
4. Have you added any files to the WIM install folder?
- Have you made any changes to the layout files in the "Layouts" folder?
Thanks,
Joel
the Telerik team
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