How To Fix RS_DB_DB6395 - Index for dimension &1 cannot be created due to size limit

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_DB_DB6 - DB6-Specific Messages in SAP BW

• Message number: 395

• Message text: Index for dimension &1 cannot be created due to size limit

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RS_DB_DB6395 - Index for dimension &1 cannot be created due to size limit ?

  The SAP error message RS_DB_DB6395 indicates that there is an issue with creating an index for a dimension in the SAP BW (Business Warehouse) system due to a size limit being exceeded. This typically occurs when the data volume for a particular dimension is too large, and the system cannot create the necessary index to manage it effectively.
  Cause:
  
  Data Volume: The primary cause of this error is that the dimension in question has too many entries or a very large data volume, which exceeds the limits set by the database or the SAP BW system.
  Database Limitations: Different databases have different limitations regarding the size of indexes. If the dimension exceeds these limits, the index cannot be created.
  Configuration Issues: There may be configuration settings in the SAP BW system that are not optimized for handling large volumes of data.
  
  Solution:
  
  
  Data Reduction: Consider reducing the amount of data in the dimension. This can be done by:
  
  Archiving old data that is no longer needed.
  Deleting unnecessary entries from the dimension.
  Implementing data aging strategies to manage data more effectively.
  
  
  
  Partitioning: If applicable, consider partitioning the data to manage it in smaller, more manageable chunks. This can help in creating indexes without hitting size limits.
  
  
  Database Configuration: Check the database configuration settings to ensure they are optimized for handling large volumes of data. This may involve:
  
  Increasing the size limits for indexes if possible.
  Consulting with your database administrator to understand the specific limitations of your database system.
  
  
  
  Rebuilding Indexes: If the dimension has been modified or if data has been deleted, try rebuilding the indexes. This can sometimes resolve issues related to size limits.
  
  
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  
  
  Consult Documentation: Review the SAP BW documentation for best practices on managing large dimensions and indexes.
  
  
  Related Information:
  
  SAP BW Version: Ensure that you are aware of the version of SAP BW you are using, as different versions may have different limitations and features.
  Database Type: The type of database (e.g., HANA, Oracle, SQL Server) can affect how you handle this error, as each database has its own limitations and configurations.
  Performance Monitoring: Regularly monitor the performance of your BW system to identify potential issues before they lead to errors like RS_DB_DB6395.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.