The recent update did not fix the missing SoMed icons. These are the theme icons in the top nav bar. The "@" symbol is still present, but the Facebook, Twitter and Instagram icons show a missing icon link. Please see my screen shot at https://imgur.com/nRO6lSv. I am using Agama Pro theme. After trying the update and the icons weren't working, I reverted back to Post Grid 2.0.30, so my site isn't currently showing the error.
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This is probably font awesome icons conflict, i can see you have fixed the issue.
But you are still using older version of font awesome. if you have option for change these icons you can use the lastest version of font awesome from here https://fontawesome.com/icons
as we are using latest version of font awesome in our plugin hope it will showing fine.