How To Fix RSD_TREX215 - Index for table '&1' being created again

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 215

• Message text: Index for table '&1' being created again

What causes this issue?

The index for the table will be rebuilt. To do this, all BWA indexes
that use this table have to be set to inactive for the duration of the
rebuild, meaning that they cannot be used for reporting purposes during
this time.

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?

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 RSD_TREX215 - Index for table '&1' being created again ?

  The SAP error message RSD_TREX215 indicates that the index for a specific table (denoted by &1) is being recreated. This typically occurs in the context of SAP BW (Business Warehouse) when there are issues with the indexing of data in the TREX (Text Retrieval and Extraction) engine, which is used for full-text search and other data retrieval tasks.
  Cause:
  
  Data Changes: The underlying data in the InfoProvider or the data source has changed, necessitating a re-indexing of the data.
  Index Corruption: The existing index may be corrupted or inconsistent, prompting SAP to recreate it.
  Configuration Changes: Changes in the configuration of the InfoProvider or the TREX settings can lead to the need for re-indexing.
  System Performance: If the system is under heavy load or if there are performance issues, it may trigger a re-indexing process.
  Version Upgrades: Upgrading the SAP system or components may also lead to re-indexing as part of the migration process.
  
  Solution:
  
  Monitor the Process: Check the status of the index creation process. It may take some time, depending on the volume of data.
  Check Logs: Review the logs for any additional error messages or warnings that could provide more context about why the index is being recreated.
  Re-index Manually: If the automatic re-indexing fails, you can manually trigger the re-indexing process through the SAP BW administration tools.
  Check Data Consistency: Ensure that the data in the InfoProvider is consistent and does not have any issues that could lead to indexing problems.
  System Performance: If the system is under heavy load, consider scheduling the re-indexing during off-peak hours to improve performance.
  TREX Configuration: Review the TREX configuration settings to ensure they are optimal for your data and usage patterns.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message. SAP frequently releases updates and patches that can resolve specific problems.
  
  Related Information:
  
  SAP BW Administration: Familiarize yourself with the tools and transactions used for monitoring and managing BW data, such as RSA1 (Data Warehousing Workbench) and RSCUSTV10 (Customizing for BW).
  TREX Documentation: Review the official SAP documentation for TREX to understand its architecture and best practices for configuration and maintenance.
  Performance Tuning: Consider performance tuning for your BW system, including optimizing data loads and query performance, which can help reduce the frequency of index recreation.
  
  If the issue persists after following these steps, it may be beneficial to consult with SAP support or your system administrator for further assistance.