How To Fix SA775 - System error occurred during locking

SAP Error Message - Details

• Message type: E = Error

• Message class: SA -

• Message number: 775

• Message text: System error occurred during locking

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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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 SA775 - System error occurred during locking ?

  The SAP error message SA775, which states "System error occurred during locking," typically indicates that there is an issue with the locking mechanism in the SAP system. This can occur for various reasons, including database issues, inconsistencies in the lock table, or problems with the application logic.
  Causes:
  
  Database Issues: Problems with the underlying database can lead to locking errors. This could be due to database corruption, connectivity issues, or performance problems.
  Lock Table Inconsistencies: The lock table may have inconsistencies or may be full, preventing new locks from being created.
  Application Logic Errors: There may be issues in the ABAP code or business logic that lead to improper handling of locks.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to failures in the locking mechanism.
  Transport Issues: If the error occurs during a transport, it may be related to the transport process itself.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  Analyze Lock Entries: Use transaction SM12 to check for existing lock entries. You can delete any orphaned or unnecessary locks if they are causing issues.
  Database Check: Perform a database consistency check to ensure that there are no underlying issues with the database.
  Restart the Application Server: Sometimes, restarting the application server can resolve temporary issues related to locking.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  Review ABAP Code: If the error is related to custom development, review the ABAP code for proper handling of locks.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a bug or a more complex issue.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To view system logs.
  SM37: To check background jobs that may be related to the error.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Performance Monitoring: Use transaction ST02 (buffer management) and ST04 (database performance) to monitor system performance and identify potential bottlenecks.
  
  By following these steps, you should be able to diagnose and resolve the SA775 error in your SAP system.