How To Fix PPEARCHCMP090 - A locking error occured

SAP Error Message - Details

• Message type: E = Error

• Message class: PPEARCHCMP - iPPE Archiving Components

• Message number: 090

• Message text: A locking error occured

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 PPEARCHCMP090 - A locking error occured ?

  The SAP error message PPEARCHCMP090 indicates that a locking error occurred during a process, typically related to the SAP Production Planning (PP) or similar modules. This error can arise in various scenarios, such as when multiple users or processes attempt to access or modify the same data simultaneously, leading to a conflict.
  Causes:
  
  Concurrent Access: Multiple users or processes trying to access the same resource or data at the same time.
  Long-Running Transactions: A transaction that takes too long to complete may hold locks longer than expected, causing other transactions to fail.
  Database Locking Issues: Issues with the database layer that prevent proper locking mechanisms from functioning.
  Configuration Issues: Incorrect configuration settings in the SAP system that affect how locks are managed.
  
  Solutions:
  
  Wait and Retry: Often, simply waiting for a few moments and then retrying the operation can resolve the issue, especially if it was caused by a temporary lock.
  Identify Locking Users: Use transaction code SM12 to check for existing locks. You can identify which user or process is holding the lock and take appropriate action (e.g., contacting the user to release the lock).
  Transaction Management: Review and optimize long-running transactions to ensure they complete in a timely manner, thus reducing the likelihood of locking issues.
  System Configuration: Check the configuration settings related to locking mechanisms in your SAP system. Ensure that they are set up correctly to handle concurrent access.
  Database Maintenance: Perform regular database maintenance to ensure that the database is functioning optimally and that locking mechanisms are working as intended.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to analyze dumps) for troubleshooting.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a bug or requires deeper investigation.
  Documentation: Review SAP documentation related to locking mechanisms and best practices for managing concurrent access in your specific SAP environment.
  
  By following these steps, you should be able to diagnose and resolve the locking error associated with the PPEARCHCMP090 message.