When you try to scan a serial or lot number on a transaction, you see the following message:
Item Not Found: QuickBooks did not find item name in your list of products and services.
QuickBooks has rules on how it determines what are serial/lot numbers when using a barcode scanner.
How does QuickBooks identify serial/lot numbers?
Provided are examples of acceptable and non acceptable serial/lot numbers:
Note: If your serial/lot numbers don't follow the rules of how QuickBooks identifies them, you will have to manually enter the serial number in the field versus using the barcode scanner.