What to do if you see the message “One or more charge lines do not have a tax code associated with it.”

The cause:

One or more Pleo expenses has a category that's missing a tax code, and so the export to Quickbooks fails.

The solution:

1. Click on the affected Pleo expense(s) and note down the selected category.

2. Go to the Categories page in Pleo.

3. Add a tax code to the affected category: