How To Fix DGA301 - Data record &1, &2, &3 not saved (locked)

SAP Error Message - Details

• Message type: E = Error

• Message class: DGA - DG: Messages for Dangerous Goods Management (A)

• Message number: 301

• Message text: Data record &1, &2, &3 not saved (locked)

What causes this issue?

You attempted to send packaging data records from a source system to a
target system (distribution). However, these data records are being
used in the target system by another user.

System Response

The system does not post the packaging data records to the target
system.

How to fix this error?

When the packaging data records are no longer locked in the target
system, start sending the packaging data records again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DGA301 - Data record &1, &2, &3 not saved (locked) ?

  The SAP error message DGA301 indicates that a data record you are trying to save is locked, which prevents the operation from being completed. This typically occurs in scenarios where multiple users or processes are trying to access or modify the same data record simultaneously.
  Cause:
  
  
  Record Locking: The data record is currently locked by another user or process. This can happen if:
  
  Another user is editing the same record.
  A background job or process is currently using the record.
  The record was not properly released after a previous operation.
  
  
  
  Transaction Issues: If a transaction is not completed correctly, it may leave the record in a locked state.
  
  
  Database Locking: Sometimes, database-level locks can occur due to long-running transactions or deadlocks.
  
  
  Solution:
  
  
  Wait and Retry: If the lock is temporary (e.g., another user is editing the record), wait for a few moments and then try to save again.
  
  
  Check Lock Entries: Use transaction code SM12 to check for lock entries. You can see which user or process is holding the lock on the record. If you have the necessary permissions, you can delete the lock entry, but be cautious as this may lead to data inconsistency.
  
  
  Identify the Locking Process: If you find a lock in SM12, identify the user or process that is holding the lock. You may need to communicate with that user to resolve the issue.
  
  
  Review Background Jobs: Check if there are any background jobs running that might be locking the record. You can use transaction code SM37 to monitor background jobs.
  
  
  Transaction Management: Ensure that transactions are being properly committed or rolled back to avoid leaving records in a locked state.
  
  
  Consult with Basis Team: If the issue persists, it may be necessary to involve your SAP Basis team to investigate further, especially if there are database-level locks or performance issues.
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM37: Monitor background jobs.
  SM21: Check system logs for any related errors or warnings.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on data locking mechanisms and best practices for managing concurrent access to data.
  
  
  User Training: Ensure that users are trained on how to properly save and exit transactions to minimize locking issues.
  
  
  By following these steps, you should be able to diagnose and resolve the DGA301 error effectively.