Authentication fails while pushing to bit bucket from MAC terminal

[Rakesh Bharadwaj]

I have newly installed git and i have access to bitbucket and created an account there. 

Now i wanted to push my local changes to bitbucket account but it fails. Below is the way i do it

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git push -u origin master

Username for 'https://bitbucket.org': <UserName>

Password for 'https://<UserName>@bitbucket.org':

remote: Invalid username or password

fatal: Authentication failed for 'https://bitbucket.org/path/bootcamp-git/'

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git remote -v gives the following output

origin https://<UserName>@bitbucket.org/path/bootcamp-git.git (fetch)

origin https://<UserName>@bitbucket.org/path/bootcamp-git.git (push)

With the same credentials i tried using the Sourcetree app. All the pushes and pulls are successful.

I don't understand why this is not working from CLI.