title: fatal: remote heroku already exists
body: <p>I am running the following commands and get <code>fatal: remote heroku already exists.</code> error.</p>
  
  <p>I dont know what is wrong here, it used to work without errors before.</p>
  
  <pre><code>git init
  git add .
  git commit -m 'Initial commit'
  git remote add heroku git@heroku.com:myapp.git
  </code></pre>