Total Share Count has always been and will remain 100% supported. The “fix” is detailed in the support forums:
https://wordpress.org/support/topic/total-share-count-stopped-please-fix-it/
It’s a setup issue on your end related to recent changes with Facebook APIs that is very easily resolved once setup properly. Details are in the link above.
p.s. We’d appreciate it if you can keep support issues to the support forums. Thank you so much!