This article explains how to resolve the issue when typing item name/code too fast triggers Item list register to auto refresh. This action interfere with search and causes to re-type the search content.
Steps to resolve:
Login to WMS as superuser.
Go to Tools > Preferences > Barcode.
Enable "Use special Barcode terminator as F12”
4. Click on Record Preferences.
5. Restart WMS to apply the changes.