The Qbwin.log displays this error message:
LVL_ERROR--Error: Verify item history Target quantity on order mismatch error:
The ItemHistUpdateEngine may not have updated the item information correctly which causes the items on the order to not match the item history.
Solution 1: Rebuild the company file.
Solution 2: Manually Edit transactions in QBWin.log
Remove and reenter the items from the orders identified in the QBWin.log