The action could not be completed because another user was creating, editing or deleting a transaction with inventory products at exactly the same time

Do not use negative inventory quantities

Problem

You cannot sync sales to QuickBooks Online.

Description

Your log shows this error:

The action could not be completed because another user was creating, editing or deleting a transaction with inventory products at exactly the same time

Unfortunately, Intuit does not show Connex the order where the inventory was below zero.

Solution

Adjust the quantity on hand to all inventory items to a positive number

Although we are not 100% sure what causes this issue, we believe it happens when you oversell product. We recommend adjust all quantities, so your quantity on hand is more than zero, after syncing the sale.

Here are the steps:

1. In QuickBooks, go to the gear box > products and services.
2. Locate all items whose quantity on hand is zero or less
3. Click adjust quantity on hand:
4. Enter a number greater than 0.

Turn items into non-inventory

Here are the steps:

1. In your product list, mark the item as inactive.
2. Recreate it with the same name.
3. As the type, choose non-inventory.