NetSuite Sync Error | Invalid account reference key {account_key} for subsidiary {subsidiary}

Check accounts and subsidiaries

1. Go to Lists > Accounting > Accounts .
2. Locate the account and View the account.
3. In the Subsidiary section, confirm the appropriate subsidiary or subsidiaries are selected.

Clear default expense account in accounting preferences

1. Go to Setup > Accounting > Accounting Preferences .
2. Open the Item/Transactions tab.
3. Remove the value for Default Expense Account .

Clear vendor-level default expense account

1. Go to Lists > Relationships > Vendors .
2. Locate and View the Vendor record.
3. Open the Financial tab.
4. Remove the value for Default Expense Account .