How To Fix UR163 - System error when releasing lock

SAP Error Message - Details

• Message type: E = Error

• Message class: UR -

• Message number: 163

• Message text: System error when releasing lock

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 UR163 - System error when releasing lock ?

  The SAP error message UR163, which indicates a "System error when releasing lock," typically occurs when there is an issue with the lock management in the SAP system. This can happen for various reasons, including database inconsistencies, issues with the lock table, or problems with the application logic.
  Causes:
  
  Database Issues: Problems with the underlying database can lead to failures in lock management.
  Lock Table Overflow: If the lock table is full, it may not be able to release locks properly.
  Network Issues: Temporary network issues can disrupt communication between the application server and the database.
  System Resource Limitations: Insufficient memory or CPU resources can lead to unexpected behavior in the system.
  Application Bugs: There may be bugs in the application code that lead to improper handling of locks.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) for any related error messages that could provide more context about the issue.
  Monitor Lock Entries: Use transaction SM12 to check for existing lock entries. If there are stale locks, you may need to delete them.
  Database Consistency Check: Run database consistency checks to ensure that there are no underlying issues with the database.
  Increase Lock Table Size: If the lock table is full, consider increasing its size. This can be done by adjusting the parameters in the database configuration.
  Restart Application Server: Sometimes, restarting the application server can help clear temporary issues.
  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.
  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 deeper system issue.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for errors.
  SM37: To monitor background jobs that may be related to the issue.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to lock management and error handling for more insights.
  
  By following these steps, you should be able to diagnose and potentially resolve the UR163 error in your SAP system.