How To Fix /SAPAPO/RSP01121 - Index too large (error number &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP01 -

• Message number: 121

• Message text: Index too large (error number &1)

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 /SAPAPO/RSP01121 - Index too large (error number &1) ?

  The SAP error message /SAPAPO/RSP01121 Index too large (error number &1) typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system encounters an issue with the size of an index. This can happen during various operations, such as planning runs, data retrieval, or when executing certain transactions.
  Cause:
  
  Index Size Limit: The error indicates that the index being accessed or created exceeds the maximum size limit allowed by the system. This can happen if there is a large volume of data or if the index is not properly optimized.
  Data Volume: A significant increase in the volume of data being processed can lead to this error, especially if the data is not partitioned or indexed correctly.
  Configuration Issues: Incorrect configuration settings in the APO system can also lead to oversized indexes.
  
  Solution:
  
  Check Data Volume: Review the volume of data being processed. If there has been a recent increase, consider archiving old data or optimizing the data model.
  Optimize Indexes: Rebuild or reorganize the indexes to ensure they are optimized for performance. This can help reduce the size of the index.
  Adjust Configuration: Review the configuration settings in the APO system. Ensure that the settings for data handling and indexing are appropriate for the volume of data you are working with.
  Use Partitioning: If applicable, consider partitioning large tables to manage data more effectively and reduce the size of individual indexes.
  SAP Notes: Check for any relevant SAP Notes or patches that may address this specific error. SAP frequently releases updates that can resolve known issues.
  Consult Documentation: Review the SAP documentation for any specific guidelines related to index management in APO.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more detailed insights based on your specific system configuration and data.
  Performance Monitoring: Implement performance monitoring tools to keep track of data growth and index performance over time. This can help in proactively managing potential issues.
  Training and Best Practices: Ensure that your team is trained on best practices for data management and index optimization in SAP APO.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the /SAPAPO/RSP01121 Index too large error effectively.