How To Fix UAS020 - There is already an index with name &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UAS -

• Message number: 020

• Message text: There is already an index with name &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 UAS020 - There is already an index with name &1 ?

  The SAP error message UAS020, which states "There is already an index with name &1," typically occurs when you are trying to create an index in the database that already exists with the same name. This can happen during database operations, such as when you are trying to optimize a table or during a transport of changes that includes the creation of an index.
  Cause:
  
  Duplicate Index Name: The most common cause is that an index with the specified name already exists in the database for the table you are working with.
  Transport Issues: If you are transporting changes from one system to another, the index may have already been created in the target system.
  Development Errors: Inconsistent development practices where multiple developers may attempt to create the same index without checking for its existence.
  
  Solution:
  
  
  Check Existing Indexes: Use the database tools or transaction codes (like SE11 for Data Dictionary) to check if the index already exists. You can also use SQL queries to list the indexes on the table.
  Example SQL query:
  SELECT * FROM sys.indexes WHERE name = 'index_name' AND object_id = OBJECT_ID('schema.table_name');
  
  
  Rename the New Index: If you need to create a new index, consider renaming it to avoid the conflict with the existing index.
  
  
  Drop the Existing Index: If the existing index is no longer needed, you can drop it using the appropriate SQL command or through the Data Dictionary in SAP. Be cautious with this approach, as it may affect application performance or functionality.
  Example SQL command:
  DROP INDEX index_name ON table_name;
  
  
  Modify the Transport Request: If the error occurs during a transport, you may need to modify the transport request to exclude the index creation or ensure that the index is not already present in the target system.
  
  
  Consult Documentation: Review SAP documentation or consult with your database administrator for best practices regarding index management.
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  Database Management: Understanding how indexes work in your specific database (e.g., HANA, Oracle, SQL Server) can help in managing them effectively.
  Performance Considerations: Indexes can significantly impact database performance, so it's essential to manage them carefully to avoid redundancy and ensure optimal performance.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis team or consulting SAP support for further assistance.