social share button

Hi,

I am having a linking problem with the social share block (buttons) of current plugin. I put them in my 8 posts and only in one of the are working.
And if you are heading to see all the post by clicking on one of the categories you will see them much bigger than the latest one post here: https://www.chriselen.gr/category/συνδυασμο?/

The page I need help with: [log in to see the link]