How To Fix AD682 - An error occurred when locking message &

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 682

• Message text: An error occurred when locking message &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AD682 - An error occurred when locking message & ?

  The SAP error message AD682 typically indicates that there was an issue with locking a message in the system. This can occur in various contexts, such as during the processing of messages in the application server or when trying to access certain resources that require locking to ensure data integrity.
  Cause:
  
  Concurrency Issues: The error often arises when multiple processes or users attempt to access or modify the same resource simultaneously, leading to a conflict in locking mechanisms.
  System Performance: High system load or performance issues can lead to timeouts or failures in acquiring locks.
  Configuration Issues: Incorrect configuration settings related to message processing or locking mechanisms can also lead to this error.
  Database Locks: If the underlying database has locks that are not being released properly, it can cause this error.
  
  Solution:
  
  Check for Concurrent Processes: Identify if there are multiple processes trying to access the same resource. If so, you may need to implement better locking strategies or manage the processes to avoid conflicts.
  Review System Performance: Monitor system performance and resource utilization. If the system is under heavy load, consider optimizing the processes or increasing system resources.
  Transaction Management: Ensure that transactions are being managed properly. If a transaction is not being committed or rolled back correctly, it can lead to locks being held longer than necessary.
  Database Lock Monitoring: Use database monitoring tools to check for locks that may be causing the issue. You may need to release locks manually if they are being held unnecessarily.
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to locking.
  Consult Documentation: Review the SAP documentation for the specific module or process you are working with to ensure that you are following best practices for locking and message processing.
  
  Related Information:
  
  SAP Transaction Codes: You can use transaction codes like SM12 (to view and manage locks) and SM21 (to check system logs) to gather more information about the error.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  System Logs: Check the system logs for any additional error messages or warnings that may provide context for the AD682 error.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.