title: Couldn't get push token for device. Check that your FCM configuration is valid
body: <p>I want to resolve this problem getting a push token</p>
  
  <p>Error: Couldn't get push token for device. Check that your FCM configuration is valid</p>
  
  <p>In my react native app I implemented Expo permissions and notification but nothing happened. I'm using node js and expo push notifications service.</p>