How To Fix RSD_TREX140 - A lock on index of table '&1' prevents indexing

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 140

• Message text: A lock on index of table '&1' prevents indexing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX140 - A lock on index of table '&1' prevents indexing ?

  The SAP error message RSD_TREX140 indicates that there is a lock on the index of a specific table, which is preventing the indexing process from proceeding. This error typically occurs in the context of SAP BW (Business Warehouse) when the system is trying to update or create an index for a data source or InfoProvider.
  Cause:
  
  
  Locking Mechanism: The error is usually caused by a locking mechanism in the database or the SAP system that prevents access to the index of the specified table. This can happen if:
  
  Another process is currently using the index.
  A previous indexing job did not complete successfully and left the index in a locked state.
  There are long-running transactions that are holding locks on the table.
  
  
  
  Database Issues: Sometimes, database-level issues or configurations can lead to locks that prevent indexing.
  
  
  Solution:
  To resolve the RSD_TREX140 error, you can follow these steps:
  
  
  Identify the Lock:
  
  Use transaction codes like SM12 (to check for locks) or SM21 (to check system logs) to identify if there are any active locks on the table in question.
  Look for the specific user or process that is holding the lock.
  
  
  
  Release the Lock:
  
  If you find a lock that is no longer needed, you can manually delete it using transaction SM12. Be cautious when doing this, as it may affect other users or processes.
  If the lock is held by a long-running transaction, you may need to wait for it to complete or, if necessary, terminate the transaction.
  
  
  
  Check for Background Jobs:
  
  Check if there are any background jobs that are currently running and may be causing the lock. You can use transaction SM37 to monitor background jobs.
  
  
  
  Retry Indexing:
  
  Once the lock is released, you can retry the indexing process. This can usually be done through the Data Warehousing Workbench or the relevant transaction for the InfoProvider.
  
  
  
  Database Administration:
  
  If the issue persists, consult with your database administrator to check for any underlying database issues that may be causing locks.
  
  
  
  System Restart:
  
  In some cases, a system restart may be necessary to clear any persistent locks, but this should be done with caution and typically as a last resort.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP frequently updates its knowledge base with solutions for common issues.
  Documentation: Review the SAP BW documentation for best practices on managing indexes and understanding locking mechanisms.
  Performance Monitoring: Regularly monitor system performance and locking situations to prevent future occurrences of this error.
  
  By following these steps, you should be able to resolve the RSD_TREX140 error and successfully proceed with your indexing tasks in SAP BW.