Hello, I am trying to use the MessagingToolkit.QRCode DLL on my site but i allways get the same error "Could not load file or assembly 'MessagingToolkit.QRCode' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded". My server running in Framework 3.5 and the DLL is for Framework 3.5 too, so what should be the problem? any idea?
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