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Problem after upgrading to .Net 4.8

Carolyn Obenberger 1 Reputation point
2021-08-13T18:06:21.743+00:00

I have a website that was created quite some time ago in Visual Studio 13 using vb and has been running great until my ISP upgraded their version of Crystal Reports. So I also had to upgrade Crystal Reports and my .Net Framework to 4.8. I am getting error 0X800700b7 "There is a duplicate "system.web.extensions/scripting/scriptResourceHandler" section defined (which is not true) . It further states that if you see this text this error is because you are running a .Net Framework 3.5 based application in .Net Framework 4. The problem appears to be in the web.config file.
I have spent the last two days trying everything I can find on this issue . My project is set to 4.8 so not sure where else I can make my project a .Net Framework 4 application.

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  1. Carolyn Obenberger 1 Reputation point
    2021-08-16T13:40:26.693+00:00

    It's not a Crystal Reports problem. That part is fine. It's a .Net issue. Really hope you can help me.

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