I just installed extension, and when I try to vote he shows "Invalida captcha entered. Please try again.", and don't saves votes.

Problem is, I disable captcha system (site is private, in closed network), and I can't find any setting about captcha in poll settings.

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I just found, here: https://www.corejoomla.com/forum/support/community-polls/15215-not-processing-vote.html