Please navigate to Dashboard > Forums > Dashboard admin page, one by one click on the "Update Topics Statistic" then "Delete All Caches" buttons. If you use some other cache plugins please delete those plugins caches as well. Then press CTRL+F5 on the frontend.
something is conflicting also, see:
I have tried but the same thing happened. After, I have created a test user, using another pc. I have tried as a test user. Unfortunately, the votes count did not display.
Also please note that the count of votes is only for the topic if someone votes for the reply it'll not be shown on that page.
Please let us know are you voting for the topic? Probably you've tried to vote for a reply? As I've already mentioned the votes for replies will not be shown on the main page.