I don't have the privilege of viewing total upvotes and downvotes on meta, but at times when I hover over the vote count the hand cursor appears and when I click, I get the following error:
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I'm not sure how you're even getting the option to click on the total votes, we don't hook up the click listener, title, or styles unless you've got sufficient reputation.
Perhaps a user script or browser extension is inserting those for you?
Failing that, I'll need something that correlates with the error as I can't reproduce this.