How To Fix KE609 - A secondary index (&2) already exists for table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 609

• Message text: A secondary index (&2) already exists for table &1

What causes this issue?

An active secondary indexs (&V2&) already exist for table &V1&.

System Response

No new index was created.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE609 - A secondary index (&2) already exists for table &1 ?

  The SAP error message KE609 indicates that there is an attempt to create a secondary index for a table that already has an existing secondary index with the same name. This typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with data structures like cost centers, internal orders, or other CO-related tables.
  Cause:
  The error is triggered when:
  
  You are trying to create a secondary index for a table (e.g., a CO table) that already has a secondary index defined with the same name.
  There may be a misunderstanding in the naming convention or an oversight in checking existing indexes before attempting to create a new one.
  
  Solution:
  To resolve the KE609 error, you can take the following steps:
  
  
  Check Existing Indexes:
  
  Use transaction code SE11 (Data Dictionary) to check the existing indexes for the specified table.
  Enter the table name (e.g., &1) and navigate to the "Indexes" tab to see if the secondary index (&2) already exists.
  
  
  
  Modify or Delete Existing Index:
  
  If the index already exists and is not needed, you can delete it or modify it as required.
  If the index is needed, consider whether you can use the existing index instead of creating a new one.
  
  
  
  Adjust Naming:
  
  If you need to create a new index, ensure that it has a unique name that does not conflict with existing indexes.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific table and its indexes to understand the implications of modifying or deleting indexes.
  
  
  
  Transport Requests:
  
  If you are working in a development environment, ensure that any changes you make are properly transported to the quality and production environments.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions related to this error.
  Performance Considerations: Be aware that indexes can impact database performance. Ensure that any changes made are in line with best practices for database optimization.
  
  By following these steps, you should be able to resolve the KE609 error and manage the secondary indexes for the specified table effectively.