title: I've got a error message on the manifest.json file
body: <p>I've been working on this manifest.json file and I got this error. I don't know what to do. I should be very happy if somebody can explain what should I do to fix it, please.<a href="https://i.stack.imgur.com/wBpoP.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wBpoP.png" alt="Error Log"></a></p>
  
  <p>When you want to see the picture of code(error message)just click on the text and you are gonna be able to see it. Thank you so much.[<img src="https://i.stack.imgur.com/Zq5W6.png" alt="Slightly more context."></p>