How To Fix C$801 - Buffer: System error during locking (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 801

• Message text: Buffer: System error during locking (&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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$801 - Buffer: System error during locking (&1) ?

  The SAP error message C$801, which indicates a "Buffer: System error during locking (&1)," typically arises when there is an issue with the locking mechanism in the SAP system. This can occur due to various reasons, including:
  Causes:
  
  Database Lock Issues: The error may occur if there are problems with the database locks, such as deadlocks or contention for resources.
  Buffer Overflow: The system might be experiencing a buffer overflow, where the allocated memory for locks is exceeded.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to locking issues.
  Corrupted Lock Entries: Corruption in the lock table or entries can cause the locking mechanism to fail.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to locking problems.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can delete any unnecessary or stale locks that may be causing the issue.
  Monitor System Resources: Use transaction codes like SM50 or SM66 to monitor system performance and resource usage. Ensure that the system has adequate resources.
  Review System Logs: Check the system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  Adjust Buffer Settings: If the issue is related to buffer overflow, consider adjusting the buffer settings in the SAP profile parameters. This may involve increasing the size of the lock table.
  Database Maintenance: Perform database maintenance tasks, such as reorganization or cleanup, to ensure that the database is functioning optimally.
  Restart the Application Server: In some cases, restarting the application server can resolve temporary locking issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide patches.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (Lock Entries), SM21 (System Log), SM50 (Process Overview), and SM66 (Global Process Overview) for troubleshooting.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, especially if it is affecting production systems.
  Documentation: Review SAP documentation and community forums for additional insights and similar cases.
  
  By following these steps, you should be able to diagnose and resolve the C$801 error in your SAP system.