How To Fix WD448 - Customizing data locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 448

• Message text: Customizing data locked by another user

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Repeat the process at a later point in time.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WD448 - Customizing data locked by another user ?

  Certainly! Here's a detailed explanation regarding the SAP error message WD448: Customizing data locked by another user:
  
  Error Message
  WD448: Customizing data locked by another user
  
  Cause
  This error occurs when you try to change or maintain Web Dynpro customizing data (such as component configuration, application configuration, or other Web Dynpro customizing objects), but the system detects that the customizing data is currently locked by another user.
  In SAP, customizing data is locked to prevent simultaneous changes by multiple users, which could lead to inconsistencies or data corruption. When a user starts editing certain customizing objects, the system places a lock on that data. If another user attempts to edit the same data before the lock is released, the system issues this error.
  
  Typical Scenarios
  
  Another user is currently editing the same Web Dynpro customizing object.
  A previous session/user locked the customizing data but did not release the lock properly (e.g., session ended unexpectedly).
  Background jobs or transports might have locked the customizing data.
  
  
  Solution
  
  
  Identify the User Holding the Lock
  
  Use transaction SM12 (Lock Entries) to check for locks on the relevant customizing objects.
  Filter by the object name or table related to Web Dynpro customizing (e.g., WD* tables or specific customizing tables).
  Identify the user who holds the lock.
  
  
  
  Contact the User
  
  If the lock is held by an active user, ask them to finish their work and release the lock by saving or canceling their changes.
  
  
  
  Manually Remove the Lock (if necessary)
  
  If the lock is stale (e.g., user session ended unexpectedly), and you have authorization, you can delete the lock entry in SM12.
  Be cautious: deleting locks can cause data inconsistencies if the user is still working on the data.
  
  
  
  Check for Transport or Background Jobs
  
  Sometimes transports or background jobs lock customizing data.
  Check if any transport requests are in process or if background jobs are running that might lock the data.
  
  
  
  Restart the SAP GUI or Session
  
  Sometimes, the lock is held by your own session due to a previous incomplete transaction.
  Log off and log back in, or restart the SAP GUI to clear your own locks.
  
  
  
  
  Related Information
  
  Lock Mechanism in SAP: SAP uses enqueue locks to ensure data consistency during changes. Locks are stored in the enqueue server and can be viewed in SM12.
  Web Dynpro Customizing Tables: Customizing data for Web Dynpro applications is stored in specific tables (e.g., WDY_* tables).
  Transport Requests: Changes to customizing data are often transported between systems. Locks can be related to transport processes.
  SAP Notes: Check SAP Notes for any known issues related to Web Dynpro customizing locks, e.g., notes related to stale locks or lock handling improvements.
  
  
  Summary
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Customizing data locked by another user to prevent simultaneous edits.
  
  
  Solution
  Identify and release the lock via SM12, contact the locking user, or delete stale locks.
  
  
  Related Info
  Lock mechanism (enqueue), Web Dynpro customizing tables, transport requests, SAP Notes.
  
  
  
  
  If you need help identifying the exact customizing object or lock entry, please provide more details about the customizing activity or the Web Dynpro component involved.