[Membership 2 Pro] Wrong image is shown when posting our WordPress posts to Facebook

When posting our Membership PRO protected content (Columnists) WordPress posts to Facebook, it's showing the wrong featured image.
Screenshots:
https://www.dropbox.com/s/mlkbml1bgqy1n6u/Screenshot%202018-09-20%2011.17.38.png?dl=0
https://www.dropbox.com/s/53m3zw2as050018/Screenshot%202018-09-20%2011.18.26.png?dl=0
Can you please assist? Thanks.