How To Fix RSSM_TT022 - ADSO &1 cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSM_TT - Transfer Tool

• Message number: 022

• Message text: ADSO &1 cannot be locked

What causes this issue?

The enqueue lock on object E_RSPM on table RSPM_DATA_TARGET cannot be
set exclusively for DataStore object (advanced) &V1&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check that the system currently is not working on objects that are part
of your scope.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSSM_TT022 - ADSO &1 cannot be locked ?

  The SAP error message RSSM_TT022, which states "ADSO &1 cannot be locked," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with locking an Advanced DataStore Object (ADSO). This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Concurrent Access: The ADSO might be accessed by multiple processes or users simultaneously, leading to a locking conflict.
  Long-Running Queries: If a query or data load process is taking a long time to complete, it may hold a lock on the ADSO, preventing other processes from accessing it.
  System Configuration: There may be configuration issues in the BW system that affect how locks are managed.
  Database Locks: Sometimes, database-level locks can prevent the ADSO from being locked in the BW layer.
  Transport Issues: If the ADSO is part of a transport request that is being processed, it may be locked during that time.
  
  Solutions:
  
  Check for Active Processes: Use transaction codes like SM12 to check for active locks on the ADSO. If you find any unnecessary locks, you can delete them (if you have the necessary authorizations).
  Wait for Completion: If a long-running process is holding the lock, you may need to wait for it to complete before attempting to access the ADSO again.
  Review Query Performance: If queries are taking too long, consider optimizing them to reduce the time they hold locks on the ADSO.
  System Monitoring: Use transaction codes like SM37 to monitor background jobs and identify any jobs that might be causing the lock.
  Check Transport Requests: If the ADSO is part of a transport, ensure that the transport is completed and that there are no pending actions.
  Restart the Process: If the issue persists, you may need to restart the process that is trying to access the ADSO.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage locks), SM37 (to monitor jobs), and RSA1 (to manage data models in BW).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  System Logs: Review system logs for any additional error messages or warnings that might provide more context about the locking issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.