How To Fix ESD_CLASS_MSGS020 - Lock/Unlock of Object &1 failed in Method &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: ESD_CLASS_MSGS - Messages for UDDI Classification

• Message number: 020

• Message text: Lock/Unlock of Object &1 failed in Method &2.

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 ESD_CLASS_MSGS020 - Lock/Unlock of Object &1 failed in Method &2. ?

  The SAP error message ESD_CLASS_MSGS020 indicates that there was a failure in locking or unlocking an object during a specific method execution. This error typically arises in the context of object management, where the system is trying to manage the state of an object (like a business object or a document) but encounters an issue.
  Causes:
  
  Concurrency Issues: Another user or process may have locked the object, preventing your transaction from acquiring the necessary lock.
  Authorization Problems: The user may not have the required authorizations to lock or unlock the object.
  System Configuration: There may be issues with the configuration of the object management system or the specific method being called.
  Database Locking: The underlying database may have a lock on the object due to a long-running transaction or a deadlock situation.
  Network Issues: Temporary network issues could lead to a failure in communication with the database or application server.
  
  Solutions:
  
  Check Locks: Use transaction code SM12 to check for existing locks on the object. If another user has locked it, you may need to wait or contact them to release the lock.
  Review Authorizations: Ensure that the user executing the method has the necessary authorizations to lock/unlock the object. This can be checked in transaction SU53 or by reviewing the user's roles and authorizations.
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve transient issues.
  Check for Long-Running Transactions: Use transaction SM66 to monitor active processes and identify any long-running transactions that may be holding locks.
  Consult Logs: Check the application logs (transaction SLG1) for more detailed error messages that may provide additional context about the failure.
  System Configuration Review: If the issue persists, review the configuration of the object management system and the specific method to ensure everything is set up correctly.
  Contact SAP Support: If none of the above solutions work, consider reaching out to SAP support for further assistance, especially if this is a recurring issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (Lock Entries), SM66 (Global Work Process Overview), SU53 (Authorization Check), and SLG1 (Application Log).
  Documentation: Review SAP documentation related to the specific object and method you are working with, as there may be known issues or additional configuration steps required.
  Community Forums: Check SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ESD_CLASS_MSGS020 error message.