How To Fix >3704 - A DFKKZW lock entry already exists for document number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: >3 - Lock management messages

• Message number: 704

• Message text: A DFKKZW lock entry already exists for document number &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message >3704 - A DFKKZW lock entry already exists for document number &1 ?

  The SAP error message 3704 A DFKKZW lock entry already exists for document number &1 typically occurs in the context of the SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) modules. This error indicates that there is a lock entry for a specific document number, which prevents further processing of that document until the lock is released.
  Cause:
  
  Concurrent Processing: The most common cause of this error is that multiple processes are trying to access or modify the same document simultaneously. This can happen in scenarios where batch jobs or multiple users are working on the same document.
  Unfinished Transactions: If a previous transaction involving the document did not complete successfully, it may leave a lock entry in place.
  System Errors: Occasionally, system errors or crashes can lead to orphaned lock entries that do not get released properly.
  
  Solution:
  
  Wait and Retry: If the error is due to concurrent processing, waiting for a short period and then retrying the operation may resolve the issue.
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can search for the specific document number to see if there is an active lock. If you find a lock that is no longer needed, you can delete it (ensure that you have the necessary authorizations and that it is safe to do so).
  Review Background Jobs: If the error occurs during a background job, check the job logs for any issues that may have caused the lock. You may need to resolve those issues before retrying the job.
  Transaction Monitoring: Monitor the transactions that are being executed to ensure that they are not causing deadlocks or excessive locking.
  System Restart: In rare cases, a system restart may be necessary to clear any persistent locks that are not being released.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors.
  ST22: To check for dumps that may provide insight into the issue.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the documentation for the specific SAP module you are working with (e.g., FI-CA) for any known issues related to document locking.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.