You cannot use your exception codes in the system. It's not appearing in the exception handling list in the Process Warehouse Task, and also it's giving the error message: 'Exception code LIST cannot be used' when trying to use any exception code during putaway and picking by the Test RF environment APP.
SAP S/4HANA CLOUD
It's missing the exception code profile and warehouse number assigned to your user.
Please check in the APP "Assign Users to Exception Code Profiles", if your user is assigned to the desired Warehouse Number selected in the Assign Users Tab.
Please check further information about this APP in the SAP Fiori Library below:
exception code, RF, test RF enviroment, /scwm/exception003, exception code LIST cannot be used, s/4hana cloud. assign users to exception code profile. , KBA , SCM-EWM-RF-2CL , Radio Frequency Processing (Public Cloud) , Problem