Follow the instructions listed below to create a new system bar code:
(1) Start transaction SE73.
(2) Select "System Bar Codes" > click "Change" button
(3) In the next window, click "Create" icon to bring up another small window, click "New" button
(4) Enter a name into "Bar Code Name" field and a brief description into "Short text" field, the bar code name must begin with Z to avoid the conflict between your bar codes and the SAP bar codes.
(5) Choose the default settings for the remaining dialogs.