adding another checkout box

Hi,
Update..It seems the fields showing up now, but after filling up, its not going though so signing up is not working..

Please see my code if something is wrong..

<?php
/*
Plugin Name: Register Member custom fields PMPRO
Plugin URI: http://www.paidmembershipspro.com/wp/pmpro-customizations/
Description: Register Helper Initialization Example
Version: .1
Author: Stranger Studios
Author URI: http://www.strangerstudios.com
*/
//we have to put everything in a function called on init, so we are sure Register Helper is loaded

function my_pmprorh_init()
{
    //don't break if Register Helper is not loaded
    if(!function_exists("pmprorh_add_registration_field"))
    {
        return false;
    }
pmprorh_add_checkout_box("proffesionalInfo", "Professional Information");
    //define the fields
    $fields = array();
    $fields[] = new PMProRH_Field(
        "collegeRegNo",                     // input name, will also be used as meta key
        "text",                         // type of field
        array(
            "label"=>"College Registration No.",   // custom field label
            "profile"=>"true",         // show in user profile
			"memberslistcsv"=>true
        ));

    $fields[] = new PMProRH_Field(
        "degreeObtain",                     // input name, will also be used as meta key
        "text",                         // type of field
        array(
            "label"=>"Degree(s) Obtained",   // custom field label
            "profile"=>"true",         // show in user profile
			"memberslistcsv"=>true
        ));

        $fields[] = new PMProRH_Field(
        "member Option",                   // input name, will also be used as meta key
        "select",                   // type of field
        array(
            "options"=>array(       // <option> elements for select field
                    "" => "",       // blank option - cannot be selected if this field is required
                "gold"=>"Gold",
                "silver"=>"Silver",
                "bronze"=>"Bronze",
                "ra"=>"RA",
                "as"=>"AS",    // <option value="male">Male</option>
                "newgraduate"=>"New Graduate"  // <option value="female">Female</option>
        )));

foreach($fields as $field)
pmprorh_add_registration_field("proffesionalInfo", $field);

pmprorh_add_checkout_box("creditcard", "Credit Card Information");
//define the fields
    $fields = array();
    $fields[] = new PMProRH_Field(
        "creditCard",                     // input name, will also be used as meta key
        "text",                         // type of field
        array(
            "label"=>"Credit Card No.",   // custom field label
            "profile"=>"true",         // show in user profile
			"memberslistcsv"=>true
        ));

    $fields[] = new PMProRH_Field(
        "nameHolder",                     // input name, will also be used as meta key
        "text",                         // type of field
        array(
            "label"=>"Name Holder",   // custom field label
            "profile"=>"true",         // show in user profile
			"memberslistcsv"=>true
        ));
         $fields[] = new PMProRH_Field(
        "csv",                     // input name, will also be used as meta key
        "text",                         // type of field
        array(
            "label"=>"CSV",   // custom field label
            "profile"=>"true",         // show in user profile
			"memberslistcsv"=>true
        ));

    //add the fields into a new checkout_boxes are of the checkout page

        foreach($fields as $field)
pmprorh_add_registration_field("creditcard", $field);

    //that's it. see the PMPro Register Helper readme for more information and examples.
}
add_action("init", "my_pmprorh_init");