Support » Plugin: Math Captcha » Error: Captcha timer expired

  • Resolved pingram


    See many duplicates of this topic, about a half dozen between here and the external support forums but none have been answered with a solution =(

    Client intermittently gets reports of Contact Form 7 submissions failing due to validation errors but we can see all fields are filled in correctly and math answer is accurate when they provide us a screenshot.

    It is highly unlikely clients are exceeding 30min on this page. Timer is set from default (300s) to (3000s) just while troubleshooting.

    Any insight into this is greatly appreciated. Seems to happen mosttly on iPhones.

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  • pingram


    Wow, ok, I can confirm what this thread from over 4 years ago explains.(

    Everything works when logged in and completing forms using math Captcha but logged out visitors the Math question doesn’t seem to change on refresh, it always stays the same and results in the error.

    I then realized my client installed WP Fastest Cache recently and I created an exclusion rule for my contact page and boom, problem solved!

    Even when logged out, page refreshes now generate a new math problem to solve and no more error.

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