Resolve Checkout Blank Page Returned when Payment Instrument is enabled in SuiteCommerce Website

When the Payment Instrument is enabled on the Account, at times the checkout page returns blank specifically if there is a theme associated in the website. Thus, SuiteCommerce lets you take advantage of NetSuite’s Payment Instruments feature.

When the checkout page return blanks and payment instrument is enabled, below are the steps to integrate with the theme activated:

1. Navigate to Commerce > Extensions > Extension Manager
2. Edit the Activated the Theme for the domain being used
3. On the Configuration record
4. Select Website and Domain > Integrations tab > Site Management Tools subtab
5. Add the Values in the Landing Page with any of these 
   1. https://system.netsuite.com
   2. https://(accountid).netsuite.com
   3. https://nlcorp.app.netsuite.com
6. Save the Config

Ensure that there is a payment processing profile selected

1. Navigate to Setup > Accounting > Accounting Preferences > Items/Transactions
2. Disable Use Strict Rules For the Selection of Payment Processing Profiles
3. Navigate to Setup > Accounting > Accounting List
4. Filter: Payment Method > Edit Payment Method
5. Make sure Payment Processing Profile is Selected
6. Save