How To Fix C$802 - Buffer: Non-processed lock combination & -> &

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 802

• Message text: Buffer: Non-processed lock combination & -> &

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 C$802 - Buffer: Non-processed lock combination & -> & ?

  The SAP error message C$802, which states "Buffer: Non-processed lock combination & -> &", typically indicates an issue related to the lock management in the SAP system. This error occurs when there is a conflict in the lock entries, which can happen due to various reasons, such as:
  Causes:
  
  Lock Conflicts: Multiple transactions are trying to access the same data simultaneously, leading to a conflict in lock entries.
  Inconsistent Lock Table: The lock table may have become inconsistent due to a system error or a crash.
  Long-Running Transactions: A transaction that holds locks for an extended period can lead to other transactions being unable to acquire the necessary locks.
  Deadlocks: Situations where two or more transactions are waiting for each other to release locks can also trigger this error.
  Buffer Issues: Problems with the buffer management in the SAP system can lead to this error.
  
  Solutions:
  
  Analyze Lock Entries: Use transaction code SM12 to check for existing lock entries. You can identify and delete any unnecessary or stale locks that may be causing the conflict.
  Check for Long-Running Transactions: Use transaction code SM66 or SM50 to monitor active processes and identify any long-running transactions that may be holding locks.
  Review Application Logic: If the error is recurring, review the application logic to ensure that locks are being managed properly and that transactions are not holding locks longer than necessary.
  Restart the Application: In some cases, restarting the application or the affected transaction can resolve temporary lock issues.
  System Restart: If the issue persists and is affecting multiple users, a system restart may be necessary to clear the lock table and reset the buffer.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve underlying issues.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM50: Monitor active processes.
  SM66: Global overview of processes.
  
  
  SAP Support: If the issue continues after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Documentation: Review SAP documentation related to lock management and buffer handling for more in-depth understanding and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and resolve the C$802 error in your SAP system.