This message appears when either a category or a contra account number is either missing or out of sync between Pleo and Quickbooks.
Double-check that a category has been assigned to the affected Pleo expense(s). Categories in Pleo reflect expense accounts in Quickbooks.
Make sure that you've synced your Pleo categories with Quickbooks.
Add a category to the affected Pleo expense.
If the export still isn't working:
Please double-check that your contra account(s) are set up properly. Here's how.