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// If the payment failed, display an error and rebuild the form.
  if ($response_code[1] != '1') {
    drupal_set_message(t('We received the following error processing your card. Please enter you information again or try a different card.'), 'error');
    drupal_set_message(check_plain(strip_tags(urldecode($response_message[1]))), 'error');
    return FALSE;
  }

"Please enter you information again or try a different card."