How To Fix CFD_COMMON004 - Concurrent buffer invalidation detected for &1 with key &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_COMMON - Custom Fields: Texts for Common Exceptions

• Message number: 004

• Message text: Concurrent buffer invalidation detected for &1 with key &2.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_COMMON004 - Concurrent buffer invalidation detected for &1 with key &2. ?

  The SAP error message CFD_COMMON004 indicates that there is a problem with concurrent buffer invalidation for a specific object identified by the key provided in the message. This typically occurs in the context of SAP's caching mechanisms, where multiple processes are trying to access or modify the same data simultaneously, leading to inconsistencies.
  Cause:
  
  Concurrent Access: The error is often caused by multiple transactions or processes trying to access or modify the same data in the buffer at the same time.
  Buffer Invalidation: When one process invalidates a buffer entry, other processes that are still trying to access that entry may encounter this error.
  Configuration Issues: There may be issues with the configuration of the caching or buffering settings in the SAP system.
  
  Solution:
  
  Check for Concurrent Processes: Identify if there are multiple processes or transactions that are trying to access the same data. If possible, serialize access to the data to prevent concurrent modifications.
  Review Buffer Settings: Check the buffer settings in the SAP system. Ensure that they are configured correctly and that the buffer is not being invalidated unnecessarily.
  Transaction Logs: Review transaction logs to identify which processes are causing the buffer invalidation. This can help in understanding the root cause of the issue.
  SAP Notes: Check for any relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates that can resolve known issues.
  System Performance: Monitor system performance to ensure that it is not overloaded, which can lead to increased contention for resources and buffer invalidation.
  Consult Documentation: Refer to SAP documentation for more details on buffer management and concurrency control.
  
  Related Information:
  
  SAP Basis Team: If you are unable to resolve the issue, it may be beneficial to involve your SAP Basis team, as they can provide deeper insights into system performance and configuration.
  SAP Community: Engaging with the SAP Community forums can also provide additional insights and solutions from other users who may have encountered similar issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check for locks), SM21 (system log), and ST22 (dump analysis) to diagnose the issue further.
  
  By following these steps, you should be able to identify the cause of the CFD_COMMON004 error and implement a solution to resolve it.