Message Number list used by SAP ABAP Function Module KL_PROT_WRITE_TO_WORK_STOCK (Write to Worklist)
SAP ABAP Function Module KL_PROT_WRITE_TO_WORK_STOCK (Write to Worklist) is using
# Object Type Object Name Object Description Note
     
1 Message Number  K- - 420 The relevant worklist is &1