Fatal error: Uncaught Error: Undefined constant with IF

How can I deal with the error below using IF?

Fatal error: Uncaught Error: Undefined constant "MODULE_PAYMENT_AMAZONPAYMENTS_IMAGE" in /home/user/public_html/includes/modules/payment/amazonpayments.php:14 Stack trace: #0 /home/user/public_html/admin/orders.php(22533): amazonpayments->__construct() #1 {main} thrown in /home/user/public_html/includes/modules/payment/amazonpayments.php on line 14

      if (MODULE_PAYMENT_AMAZONPAYMENTS_IMAGE) {
  $image_payment = ' ' . tep_image(MODULE_PAYMENT_AMAZONPAYMENTS_IMAGE, (( defined('MODULE_PAYMENT_AMAZONPAYMENTS_TITLE_NEW') && (MODULE_PAYMENT_AMAZONPAYMENTS_TITLE_NEW != "") ) ? MODULE_PAYMENT_AMAZONPAYMENTS_TITLE_NEW : ''), '', '', ' align="absmiddle"');
  }