Hi Pin! Can you make sure you're not copying any space at the end or the beginning of the key? Keep also in mind that you only need to copy the key up to the "==" part at the end.
If that still doesn't solve it, you can run this in your terminal to see if this key is already in use in another account:
ssh -Tv email@example.com
Hello! My name is Mark Askew and I am a Premier Support Engineer for products Bitbucket Server/Data Center, Fisheye & Crucible. Today, I want to bring the discussion that Jennifer, Matt, and ...
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