You're going to need to do some reading:
1. https://developers.facebook.com/blog/post/2018/04/04/faceboo... 2. https://developers.facebook.com/docs/graph-api/changelog/bre...
There is no easy way to get access re-enabled right now. If you have a direct relationship with FB, now is the time to reach out and let them know what you need.
Facebook closed off most public data via the Graph API unfortunately. What were you trying to do?
You're going to need to do some reading:
1. https://developers.facebook.com/blog/post/2018/04/04/faceboo... 2. https://developers.facebook.com/docs/graph-api/changelog/bre...
There is no easy way to get access re-enabled right now. If you have a direct relationship with FB, now is the time to reach out and let them know what you need.