TypeError: body used already for: https://auth.atlassian.com/oauth/token

[HiroshiNishio]

Before

@HiroshiNishio

    .then((res) => {
      console.log('res is: ', res);
      console.log('res.json() is: ', res.json());
      // return res;
      return res.json();
    })

Resolved by removing console.logs, I am not sure why though… It worked finally.

After

    .then((res) => res.json())