The app ID specified within the “fb:app_id” meta tag was invalid

Question

I tried to enable Facebook Insights for my web. I added my page\'s APP_ID to fb:admins to enable every admin of my page to access Insights when logged

Answer 1

Sometime your facebook information already crawl by facebook and it will be cache

You need to clear there cache to test again

You can access this link : https://developers.facebook.com/tools/debug/

paste your clink you want to test

Click Crawl again