when I fill in all the required fields, I should be taken to the thankyou page. However, I get taken to the error page, with no errors on it, with a link back to the form. When I click that link it takes me to a page not found.

Where am I going wrong with the good_url?

<input type="hidden" name="good_url" value="http://www.mercercountyrealtors.com/previewPurple/thankYou.php" />