I am getting below error while running the outlook web app solution.

Failed to deploy the manifest file to the Exchange server. The request failed. The remote server returned an error: (400) Bad Request.

What I am trying?

I created a new solution and hit F5 without modifying the code. And it gave me below error.

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I am not getting any reference on the web. If you have any solution or reference link then please feel free to share.

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