In the list of validations that you posted it is the second to the last one, it has an 11 at the end of it. You should update it to be like this:
$WAFV_Errors .= WAValidateLE((isset($_POST["Kick_Start_Intense_one_to_one_Anti_Spam_Protection_Answer"])?strtolower($_POST["Kick_Start_Intense_one_to_one_Anti_Spam_Protection_Answer"]):"") . "",((isset($_SESSION["random_answer"]))?strtolower($_SESSION["random_answer"]):"") . "",true,11);