How To Fix DG152 - You cannot change locked data records

SAP Error Message - Details

• Message type: E = Error

• Message class: DG - DG: Messages for Dangerous Goods Management

• Message number: 152

• Message text: You cannot change locked data records

What causes this issue?

You attempted to edit a data record that is locked by another user. Due
to an update error, the system accepted this activitiy at first.

System Response

You can neither delete nor change blocked data records. Your changes
are not saved.

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DG152 - You cannot change locked data records ?

  The SAP error message DG152, which states "You cannot change locked data records," typically occurs when you attempt to modify data that is currently locked by another user or process. This locking mechanism is a part of SAP's data integrity and concurrency control to prevent simultaneous updates that could lead to inconsistencies.
  Causes:
  
  User Lock: Another user is currently editing the same record.
  System Lock: The system has placed a lock on the record due to a transaction that is still in progress.
  Background Jobs: A background job may be processing the data, causing it to be locked.
  Transaction Lock: The transaction you are using may have specific locking mechanisms that prevent changes while certain conditions are met.
  
  Solutions:
  
  
  Check for Locks:
  
  Use transaction code SM12 to view and manage locks. You can see which users have locked records and potentially release them if necessary (ensure you have the appropriate authorizations).
  
  
  
  Wait and Retry:
  
  If the lock is temporary (e.g., another user is editing the record), wait for them to finish and then try again.
  
  
  
  Communicate with Users:
  
  If you identify that another user is locking the record, communicate with them to understand their need for the lock and coordinate changes.
  
  
  
  Review Background Jobs:
  
  Check if any background jobs are running that might be locking the data. You can use transaction code SM37 to monitor background jobs.
  
  
  
  Check Transaction Settings:
  
  Review the transaction you are using to see if there are specific settings or configurations that might be causing the lock.
  
  
  
  Consult with Basis Team:
  
  If the issue persists and you cannot identify the cause, consult your SAP Basis team for further investigation. They can check for system-level locks or issues.
  
  
  
  Related Information:
  
  Lock Mechanism: SAP uses a locking mechanism to ensure data integrity. Locks can be exclusive (preventing all other access) or shared (allowing read access but preventing writes).
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM37: Monitor background jobs.
  SE11: Check the data dictionary for the table structure and any potential issues.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to modify the records in question.
  
  By following these steps, you should be able to identify the cause of the DG152 error and take appropriate action to resolve it.