We are facing this issue whenever we try to open the hyperlink manager in richtext it starts to throw the error.

I have checked the webconfig the Telerik dialogue handler is present.

Can you please help me resolve this?

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  • Did you compare the assembly version of Telerik from a vanilla Sitecore instance with your instance in the web.config? May be the version is mismatched. Commented Jul 11 at 11:14


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