title: Submit in app purchase for review for first time
body: <p>I am working on in app purchase.
  After submitting all the details in app purchase gives me status "Ready to Submit".</p>
  
  <p>But the "Submit For Review" button is disabled in my app's in app purchase.
  This is giving me this warning</p>
  
  <p>"Your first In-App Purchase must be submitted with a new app version. Select it from the app’s In-App Purchases section and click Submit."</p>
  
  <p>I can't understand what to do. If anybody knows solution please help me.
  Thanks in advance.</p>