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Troubleshooting the “A transaction object was already in use” Error When Posting Orders via Webgility Desktop to QuickBooks Desktop.

This article helps Webgility Desktop users resolve the “A transaction object was already in use” error that may occur when posting orders to QuickBooks Desktop. This concurrency issue typically arises when QuickBooks Desktop is processing another transaction simultaneously or when multiple sessions or background processes are locking the database. The article provides simple checks and step-by-step instructions to resolve the error and ensure successful order posting.

Symptoms

  • You see the error message:
    "A transaction object was already in use."

  • The error occurs during order posting from Webgility Desktop to QuickBooks Desktop.

  • Posting may succeed after restarting QuickBooks Desktop or Webgility Desktop but recurs intermittently.

Troubleshooting Steps

Step 1: Update Webgilit Desktop

First, make sure you're on the latest version of Webgility Desktop. Updates often contain fixes for known issues, including QuickBooks Desktop posting errors.

  • In Webgility, go to Help > Check for Updates

  • If an update is available, download and install it.

  • Restart Webgility Desktop after the update is complete.

Step 2: Close All QuickBooks Desktop Instances

This error often occurs when QuickBooks Desktop is open in multiple sessions or running in the background.

  • Make sure only one instance of QuickBooks is open across all computers.

  • On Windows, press Ctrl + Shift + Esc to open Task Manager.

  • Under the Processes tab, look for any background processes like QuickBooks.exe or QBDBMgrN.exe.

  • End any unnecessary or orphaned QuickBooks tasks.

  • Confirm that the company file isn’t locked by another user or integration process.

Step 3: Re-download the Order in Webgility Desktop

Once you're sure QuickBooks Desktop is clear of conflicts:

  • Open Webgility Desktop and go to ‘Error Tab’

  • Re-download the latest order data from your sales channel

  • Locate the affected order(s)

  • Try posting them again to QuickBooks Desktop by Post to QuickBooks

 

Once you’ve posted the order, double-check QuickBooks Desktop to ensure:

  • The transaction appears as expected

  • No duplicates or partial entries were created

  • The error message does not reoccur