title: Composer [UnexpectedValueException] error will trying to use composer to install a github project
body: <p>I am trying to install a github project using composer and get the following error </p>
  
  <p>Composer [UnexpectedValueException] 
  Your Github oauth token for github.com contains invalid characters: ""</p>
  
  <p>Can anyone explain  what I need to do to correct this error?</p>
  
  <p>I am using the following command</p>
  
  <p>composer create-project --prefer-dist --stability=dev vova07/yii2-start yii2-start</p>
  
  <p>Thank you</p>