How To Fix DRD402 - Delivery relationship for &1/&2/&3 is locked by user &4.

SAP Error Message - Details

• Message type: E = Error

• Message class: DRD - Messages for Delivery Relationships

• Message number: 402

• Message text: Delivery relationship for &1/&2/&3 is locked by user &4.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DRD402 - Delivery relationship for &1/&2/&3 is locked by user &4. ?

  The SAP error message DRD402 indicates that a delivery relationship for a specific combination of parameters (typically related to a delivery or shipping process) is locked by a user. This can occur in various scenarios, such as when a user is currently editing or processing a delivery relationship, and another user attempts to access or modify the same relationship.
  Cause:
  
  User Lock: The primary cause of this error is that the delivery relationship is currently being accessed or modified by another user. SAP locks certain records to prevent simultaneous changes that could lead to data inconsistencies.
  Transaction Interruption: If a user was working on a transaction and it was interrupted (e.g., due to a network issue or system crash), the lock may not have been released properly.
  Long-running Transactions: If a user is taking a long time to complete a transaction, it can lead to locks that prevent others from accessing the same data.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the user who has locked the delivery relationship to complete their transaction and release the lock. You can then retry your operation.
  Identify the Locking User: If you have the necessary authorizations, you can use transaction codes like SM12 (to view and manage locks) to identify the user who is holding the lock. You can then communicate with that user to understand their progress.
  Release the Lock: If the locking user is unavailable or if the lock is no longer valid (e.g., due to a session timeout), an administrator can manually release the lock using transaction SM12. However, this should be done with caution to avoid data inconsistencies.
  Check for Long-running Processes: Review any long-running processes that might be holding locks and address them accordingly.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  SM37: To monitor background jobs that might be causing locks.
  
  
  User Communication: If you are in a collaborative environment, it may be helpful to communicate with your team members to coordinate access to shared resources.
  System Configuration: In some cases, system configuration settings related to lock management may need to be reviewed by a system administrator.
  
  Best Practices:
  
  Regularly monitor and manage locks in the system to prevent prolonged access issues.
  Educate users on best practices for completing transactions promptly to minimize lock occurrences.
  Implement proper error handling in custom programs to manage locks gracefully.
  
  By following these steps, you should be able to resolve the DRD402 error and continue with your SAP operations.