Problem

The scanner shows "Created by" of table reservation entry contains a value that cannot be found in the related table (User) when saving Lot / Serial No. in Sales Order / Purchase Order / Transfer Order 

Solution

Dynamics NAV required username contains "DOMAIN\User name" for Windows Login

Change the username
  1. Logoff the scanner
  2. In login screen, change the login name to "DOMAIN\Username" instead of just "Username"
  3. Login again