How To Fix CKBK504 - Entry from shared buffer found

SAP Error Message - Details

• Message type: E = Error

• Message class: CKBK - Messages of the Valuation Functions

• Message number: 504

• Message text: Entry from shared buffer found

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CKBK504 - Entry from shared buffer found ?

  The SAP error message CKBK504 ("Entry from shared buffer found") typically occurs in the context of SAP's buffer management system, particularly when dealing with the shared memory buffer for certain data objects. This error indicates that there is a conflict or inconsistency in the data being accessed, often due to issues with the buffer's state or the way data is being handled in the application.
  Cause:
  
  Data Inconsistency: The error may arise when there is a mismatch between the data in the shared buffer and the actual data in the database. This can happen if the data has been modified in the database but the buffer has not been updated accordingly.
  Concurrency Issues: If multiple processes are trying to access or modify the same data simultaneously, it can lead to conflicts and this error.
  Buffer Overflow: If the buffer is full or not properly managed, it may lead to this error when trying to access or store new entries.
  Configuration Issues: Incorrect configuration of the buffer settings in the SAP system can also lead to this error.
  
  Solution:
  
  Refresh the Buffer: You can try to refresh the buffer to ensure that it is in sync with the database. This can often be done by using transaction codes like SM12 (to check for locks) or SM21 (to check the system log).
  Check for Locks: Use transaction SM12 to check if there are any locks on the data that might be causing the issue. If there are unnecessary locks, they can be released.
  Review Application Logic: If the error is occurring due to application logic, review the code to ensure that data is being handled correctly and that there are no race conditions.
  Increase Buffer Size: If the issue is related to buffer overflow, consider increasing the buffer size in the system configuration.
  System Restart: In some cases, a system restart may help clear any inconsistencies in the buffer.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12, SM21, SM37 (for job monitoring), and ST22 (for dumps) to diagnose and troubleshoot the issue.
  SAP Basis Team: If you are unable to resolve the issue, it may be necessary to involve your SAP Basis team or SAP support for further assistance.
  Documentation: Review SAP documentation related to buffer management and performance tuning for additional insights.
  
  If the problem persists after trying the above solutions, it may be beneficial to gather logs and error details and reach out to SAP support for more specialized assistance.