Message Number list used by SAP ABAP Function Module PROJECT_ENQUEUE_DEQUEUE (Locking and unlocking a project)
SAP ABAP Function Module PROJECT_ENQUEUE_DEQUEUE (Locking and unlocking a project) is using
# Object Type Object Name Object Description Note
     
1 Message Number  SF - 426 Project & is already being edited by user &
2 Message Number  SF - 427 You are already editing project &
3 Message Number  SF - 554 System error occurred during locking (you can display only)