Recently Facebook has updated their Data Use Protection Policy which needs to be enabled in your Facebook developer account.
STEP ONE: Login into your Facebook developer account at https://developers.facebook.com
STEP TWO: Go to -> My Apps -> Choose Data Use Check Up -> Choose your App -> Data Use Checkup * Past Due -> Get Started.
STEP THREE: In Certify Data Use check both:
- I certify that any use of email is in compliance with the allowed usage.
- I certify that any use of public_profile is in compliance with the allowed usage.
And then Continue
STEP FOUR: in Certify Compliance with Platform Terms and Developer Policies, choose:
I certify compliance with the Facebook Platform Terms and Developer Policies, together with all other applicable terms and policies.
And then Continue and then Submit.