NetSuite Sync Error | Invalid account reference key {account_key}

1. In NetSuite , locate the GL account and confirm that it is active and available for the transaction's subsidiary .
2. In NetSuite, navigate to the Vendor record for that transaction.

• Click on the Financial tab and locate the field: Default Expense Account .
• Ensure this field is blank .
• Save the Vendor record.

3. Retry the sync.