For me the issue was due to the /CN= as apposed to CN=. The attached screenshot fixed the issue for me. <img width="680" alt="Screen Shot 2019-07-23 at 12 31 54 PM" src="https://user-images.githubusercontent.com/28516523/61729741-e5b98480-ad45-11e9-8569-70fe0cfe45a5.png">
For me the issue was due to the /CN= as apposed to CN=. The attached screenshot fixed the issue for me.
