Help with FB share image

[KIDS_initiative]

When I share the website on Facebook a black X appears as the image. Logo and icons are updated, as well as Open Graph photo and the Head Tags:

https://preview.webflow.com/preview/kids-initiative-2020?utm_medium=preview_link&utm_source=dashboard&utm_content=kids-initiative-2020&preview=df6331a4c87860947bed72eb7ab448d0&mode=preview