facebook share does not show correct image

When I want to share an event on facebook by clicking the share button, it doesn't show the image of the event but another one.
What can be the problem here?
vrijzinnighuiskoksijde.vrijzinnigwestvla...willem-debeuckelaere

There could be difference reason causing this error. Could you please submit a support ticket sending us:

1. Super admin account of the site

2. Link to the page which is having the issue

We are going to check to see what's wrong and get it sorted

Regards,

Tuan