QBWin.log: LVL_ERROR--Error: Verify item history target quantity on order mismatch error

A mismatch between your item history and certain items on orders can occur if the ItemHistUpdateEngine fails to update the item information. The message A data problem prevents QuickBooks from continuing appears while backing up your file and your QBWin.log shows the following error after verifying data:

LVL_ERROR--Error: Verify item history Target quantity on order mismatch error

Rebuilding the company file alone can resolve the issue, but editing the items specified in the log may be necessary.

Solution 1: Rebuild and verify

1. Rebuild data
   1. Go to the File menu, then select Utilities > Rebuild Data.
   2. When prompted to back up the file, select OK.
   3. Once Rebuild has completed appears, select OK.
2. Verify data
   1. Go to the File menu, then select Utilities > Verify Data.
   2. When QuickBooks detected no problem with your data appears, select OK. You can now continue using the file.
   3. If after verifying, QuickBooks detected the same problem, perform the next solution.

For detailed instruction on rebuilding and verifying your file, see Resolve data damage on your company file.

Solution 2: Manually edit transaction shown in QBWIN.log

1. Open the QBWin.log.
   1. While QuickBooks is open, press F2 to open the Product Information window.
   2. Press F3 to open the Tech Help window, then go to the Open File tab.
   3. Under the Open File tab, look for QBWIN.log, then select Open.
2. Identify the damaged item/s through the QBWin.log.
   1. Once the QBWin.log is open, press Ctrl+F to bring up the Find window.
   2. Type the error, then press Enter.
   3. Take note of the order, item, and quantity specified.
3. Recreate the damaged item.
   1. Back in QuickBooks, open the order specified in the log.
   2. Delete the item (not the entire order) shown in the log, then select Save & Close.
   3. Return to the order and reenter the deleted item and its quantity. Select Save & Close.
4. Verify your file again.