in the wa_reciept file, change each instance of [FORMREF] to CheckoutWizard_NewFromBlank_Default
for examaple, this code:
<?php echo(WA_getSavedFormValue('[FORMREF]','First_Name')); ?>
should be:
<?php echo(WA_getSavedFormValue('CheckoutWizard_NewFromBlank_Default','First_Name')); ?>