Recaptcha is a Google service that helps prevent spam submissions. It's usually quite good at avoiding false positives, but in rare cases, it can flag legitimate users. This is particularly common if the attendee is using a VPN or is in a high-risk country.
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If you're receiving numerous reports from attendees encountering this issue, please contact us at [email protected]. Provide detailed information, including attendee details, screenshots, and screen recordings, so we can investigate further.