ErrorCode : 6000 - Business Validation 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. Please try again in 30 min
This article addresses ErrorCode 6000 - Business Validation Error, which occurs when multiple users attempt to create, edit, or delete inventory-related transactions simultaneously in QuickBooks Online while Webgility Online is posting an order. The article explains that this conflict prevents Webgility from completing the transaction and provides guidance on how to refresh item data from QuickBooks to resolve the issue. It also highlights important precautions to ensure that no users are modifying inventory items during the data download process, ensuring a smooth synchronization and successful order posting.
Overview:
You might experience this error because another user of your QuickBooks is modifying the item while Webgility Online is trying to post the order. Modified item data needs to be downloaded in Webgility Online from QuickBooks to resolve the error.

Important points to take care of before downloading the QuickBooks data:
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None of the QuickBooks users are modifying the items in QuickBooks at the time of downloading them.
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Close the item list or products and services in QuickBooks.
Steps to download accounting data from scratch in Webgility Online:
Follow the steps mentioned in the article: Download the Latest Data from QuickBooks in Webgility Online
Select the order again from the Error tab, and click on Post to QuickBooks. The order will be successfully posted to QuickBooks.