Facebook share count not work

Hi there,
I have installed this plugin in this website: https://idealweddings.sg and here I found issues in counter. I am not able to see facebook counter in some pc and some pc can show and i also tried in incognito tab, all browser but no luck. U can check here: https://idealweddings.sg/11-makeup-artists-singapore-shine/

Please check it and help me out

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