Facebook SDK - iOS - Fail to share URL (Error 102)

Question

I am trying to integrate a simple URL Share on my App, following the dedicated Facebook tutorial (link)

On my app, I simply click on a button, which displays a dialo

Answer 1

If none of the other answers fixed this problem for you, one last thing to check is the Bundle ID in your Facebook App settings.
I had this problem for my iOS app that was using a different bundle identifier depending on the build configuration I used.
You can specify several Bundle IDs in your Facebook App settings.

Answer 2

If your Facebook app status is "development and unavailable to the public" will caused same result.

You may want to change it to public under "App Review" on the Facebook app menu. Or you need to login Facebook as role "Administrators", "Developers" or "Testers"