pages/payments/index.php

<?php
 
switch ($op) {
   //
   // Issue
   //
   case 'index':
   case 'subscriptions':
   case 'subscriptionTypes':
   case 'subscriptionPolicies':
   case 'saveSubscriptionPolicies':
   case 'paymentTypes':
   case 'savePaymentTypes':
   case 'payments':
      define('HANDLER_CLASS', 'PaymentsHandler');
      import('pages.payments.PaymentsHandler');
      break;
}