2. General Troubleshooting Guide
  3. QuickBooks Desktop Error Messages

You can't use negative rates on inventory items, use neg quantity instead

You have an item marked as inventory, but it's a discount or a fee


Your order sync fails.


You have fees that are marked as inventory parts in QuickBooks. Connex is trying to assign a negative value, but inventory parts only accept positive quantities.


Change items to service

Here are the steps:

  1. This error usually happens with fee items. In QuickBooks, go to lists > item list.
  2. Find all the fee items and open the ones marked as inventory parts:
  3. In the item name field, add _OLD.
  4. In QuickBooks, create a new item.
  5. As the type, choose service.
  6. Enter the item name again.
  7. Resync your sale.