How To Fix ESH_TREX_ADMIN027 - Attributes could not be redefined for index &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_TREX_ADMIN - TREX Indexing and Index Administration

• Message number: 027

• Message text: Attributes could not be redefined for index &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 ESH_TREX_ADMIN027 - Attributes could not be redefined for index &1 ?

  The SAP error message ESH_TREX_ADMIN027 indicates that there is an issue with redefining attributes for a specific index in the SAP Enterprise Search (TREX) system. This error typically arises during the process of modifying or updating the attributes of an index, which can be due to various reasons.
  Causes:
  
  Index Locking: The index might be locked for writing or modification due to ongoing processes or transactions.
  Inconsistent Index State: The index may be in an inconsistent state, possibly due to a previous failed operation or an incomplete update.
  Configuration Issues: There may be issues with the configuration of the index or the attributes being redefined.
  Data Model Changes: Changes in the underlying data model that are not reflected in the index configuration can lead to this error.
  Permissions: Insufficient permissions for the user trying to redefine the attributes.
  
  Solutions:
  
  Check Index Status: Verify if the index is currently locked or in a state that prevents modifications. You can use the TREX administration tools to check the status of the index.
  Rebuild the Index: If the index is inconsistent, consider rebuilding it. This can often resolve issues related to corrupted or incomplete index states.
  Review Configuration: Ensure that the configuration for the index and the attributes is correct. Check for any discrepancies or errors in the configuration settings.
  Check for Ongoing Processes: Make sure there are no ongoing processes that might be locking the index. If necessary, wait for these processes to complete.
  User Permissions: Ensure that the user has the necessary permissions to modify the index attributes. If not, adjust the permissions accordingly.
  Consult Logs: Check the TREX logs for any additional error messages or warnings that might provide more context about the issue.
  
  Related Information:
  
  TREX Administration: Familiarize yourself with the TREX administration tools and transaction codes (like TREX_ADMIN) to manage and monitor the index.
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for Enterprise Search and TREX to understand the configuration and management of indexes better.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.