How To Fix RS_DB_ADA020 - Start clustering of table &1 at &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_DB_ADA - MaxDB-Specific Messages

• Message number: 020

• Message text: Start clustering of table &1 at &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 RS_DB_ADA020 - Start clustering of table &1 at &2 ?

  The SAP error message RS_DB_ADA020 indicates an issue related to the clustering of a database table. This error typically occurs during the process of data extraction or loading in SAP BW (Business Warehouse) when the system is trying to cluster a specific table but encounters a problem.
  Cause:
  The error can be caused by several factors, including:
  
  Database Locking Issues: The table may be locked by another process, preventing the clustering operation from completing.
  Insufficient Resources: There may not be enough memory or disk space available to perform the clustering operation.
  Corrupted Data: There could be issues with the data in the table that prevent it from being clustered correctly.
  Configuration Issues: Incorrect settings in the database or SAP BW configuration can lead to this error.
  Database Version Compatibility: The version of the database may not be fully compatible with the SAP BW version being used.
  
  Solution:
  To resolve the RS_DB_ADA020 error, you can try the following steps:
  
  Check for Locks: Use transaction codes like SM12 to check for any locks on the table. If you find any, you may need to release them.
  Monitor System Resources: Ensure that your system has sufficient memory and disk space. You can check system performance using transaction codes like ST02 (buffer management) and ST06 (OS monitoring).
  Data Consistency Check: Run consistency checks on the data in the table. You can use transaction codes like RSA1 to check for data consistency in the InfoProvider.
  Reconfigure Settings: Review the database and SAP BW configuration settings to ensure they are correct. This may involve checking the settings for the InfoObject or InfoProvider.
  Database Maintenance: Perform database maintenance tasks, such as updating statistics or rebuilding indexes, which can help improve performance and resolve issues.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that can resolve the issue.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), SM12 (Display and Delete Locks), ST22 (Dump Analysis), and ST03N (Workload Analysis).
  SAP BW Documentation: Review the official SAP BW documentation for best practices on data loading and clustering.
  Database Documentation: Consult the documentation for your specific database (e.g., HANA, Oracle, SQL Server) for any known issues or configurations related to clustering.
  
  By following these steps, you should be able to diagnose and resolve the RS_DB_ADA020 error effectively.