Spotfire crashing with error CLR20r3 error upon configuring JSViz files

I'm trying to import JSVIZ package into Spotfire desktop(7.8 version). I've followed all the instructions from here ( 

After making modifications in “Spotfire.Dxp.Exe.config” file as mentioned in the document, Spotfire is crashing with CLR20r3 error. 
As mentioned on various questions, I have re-installed Microsoft .NET Framework to resolve this error but still, Spotfire is crashing with CLR20r3. 
I've attached the screenshot of Spotfire error and contents of Spotfire.Dxp.Exe.config file. 

Does anyone know how to resolve this ?


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(1) Answer