QuickBooks Online Sync Error: One of the list elements assigned to this transaction has been deleted

Why the Sync Error occurs

This error occurs when a transaction is attempting to sync to QuickBooks Online, but there is a classification on the transaction that cannot be located in QBO, usually because it has been deleted. This classification type is specified in the sync error (customer, vendor, class, etc.).

How to Fix the Sync Error

In QuickBooks Online, restore the classification referenced in the sync error:

  1. Go to the Company tab and click Lists
  2. Open the appropriate list (Vendor list, Chart of Accounts; Product/Service, etc.)
  3. Select the relevant deleted report (Deleted vendors, Deleted accounts, etc.)
  4. Select the item you need to undelete
  5. When restoring names, click the link to Edit Information
  6. uncheck the Deleted box
  7. Save the updates
  8. Sync