title: I am getting this error: (#278) Reading advertisements requires an access token with the extended permission ads_read
body: <p>Hello I am using the Graph Explorer to check an information. The page is:
  <a href="https://developers.facebook.com/tools/explorer/145634995501895/" rel="nofollow noreferrer">https://developers.facebook.com/tools/explorer/145634995501895/</a></p>
  
  <p>I am getting this error:
   (#278) Reading advertisements requires an access token with the extended permission ads_read</p>
  
  <p>where can I set the permission for ads_read?</p>
  
  <p>thanks</p>