Report Viewer Configuration error - In View Source of webpage

Question

I found the following error message when I checked View source of the web page , but the web page works just fine. Our Test lead found the error while performing Assertion t

Answer 1

This is how my declaration of report viewer control looks like in web.config. Make you sure you have something similar in there. And add if you don't have it. The version of the control might not be the same tho.

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