I can't get my game to connect to Facebook!

I played this game on my old phone that was trashed and when I get my new one it won’t let me connect to Facebook. Just keeps telling me it is unable because it is connected to my old account. How do I fix this!? Please I loved playing this with all my friends and would love to keep doing so.

Did you switch from iPhone to Android or vice versa? Can I please have your Facebook display name to look you up? Thanks!