com.facebook.sdk error 2 on iOS

Question

I have a Phonegap app that runs on both iOS and Android. The app has a Facebook login feature which worked until a few days ago. A few of our beta testers have reported an \

Answer 1

This approach worked for me. (iOS 8)

The context:

• FB "Log in" button didn't open FB app nor FB in Safari
• Popped FB SDK err. 2.
• "My App" wasn't showed in the FB Settings in order to be enabled for use.

The solution:

• Clear Safari Web Cache (it may be optional)
• Remove Facebook app
• Remove Facebook Messenger
• Install your app and log in

The idea is to remove both the Facebook App and the Messenger.