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CAPTCHA validation error: unknown CAPTCHA session ID (NULL)

(4 posts)
  1. Woofus

    member
    Joined: Sep '09
    Posts: 32

    Has anyone seen this Captcha error? I've got the captcha module installed in Drupal, and I keep getting the error CAPTCHA validation error: unknown CAPTCHA session ID (NULL) in my logs. It appears that user comments are not getting through?

    Posted 2 years ago #

  2. Posted 2 years ago
  3. cwd

    senior admin
    Joined: Jul '09
    Posts: 225

    This appears to be an issue with Captcha submission on Internet Explorer 7, if using the [Enter] key. If they click the submit button, the error is not thrown. See this thread on Drupal.org for updates - there's a patch available, but it has not been committed yet.

    Posted 2 years ago #
  4. Woofus

    member
    Joined: Sep '09
    Posts: 32

    Thanks CWD. I was able to patch the file, but now I can't seem to copy it over to my Captcha module directory? I'm running Windows Vista and keep getting permission denied errors (even if I allow it).

    Posted 2 years ago #
  5. cwd

    senior admin
    Joined: Jul '09
    Posts: 225

    Since you're using Windows Vista, you probably have UAC (User Account Control) turned on, which is causing this security dilemma. You'll need to run Cygwin as an administrator to copy the patched file, and will need to edit the file's permissions as well to allow you full control of it so you can upload it.

    Posted 2 years ago #

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