How To Fix /BOBF/COM_GENERATOR175 - Index &1 for database table &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/COM_GENERATOR -

• Message number: 175

• Message text: Index &1 for database table &2 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/COM_GENERATOR175 - Index &1 for database table &2 already exists ?

  The SAP error message /BOBF/COM_GENERATOR175 indicates that there is an attempt to create an index on a database table that already has an index with the same name. This typically occurs in the context of Business Object Framework (BOBF) when generating or modifying the underlying database structure for a business object.
  Cause:
  
  Duplicate Index Creation: The error arises when the system tries to create an index that already exists in the database for the specified table.
  Development or Transport Issues: This can happen during the development phase or when transporting changes from one system to another, where the index creation script is executed again.
  Manual Changes: If manual changes were made to the database schema outside of the standard SAP development environment, it could lead to conflicts.
  
  Solution:
  
  
  Check Existing Indexes: 
  
  Use transaction code SE11 (Data Dictionary) to check the existing indexes on the specified database table. 
  You can also use SQL queries to check for existing indexes in the database.
  
  
  
  Modify the Index Creation Logic:
  
  If you are developing a new business object or modifying an existing one, ensure that the index creation logic does not attempt to create an index that already exists.
  You may need to adjust the BOBF configuration or the underlying ABAP code to prevent duplicate index creation.
  
  
  
  Delete or Rename the Existing Index:
  
  If the existing index is not needed, you can drop it using the appropriate SQL command or through the Data Dictionary.
  Alternatively, if the existing index is required, consider renaming the new index to avoid the conflict.
  
  
  
  Re-Generate the Business Object:
  
  After making the necessary adjustments, regenerate the business object to ensure that the changes take effect.
  
  
  
  Transport Management:
  
  If this issue arises during a transport, ensure that the transport request does not include redundant index creation scripts. Review the transport logs for any inconsistencies.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE80: Object Navigator
  SE37: Function Module
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on best practices for index management in BOBF.
  Documentation: Review the SAP documentation on BOBF and database index management for further insights and best practices.
  
  By following these steps, you should be able to resolve the error and ensure that your database schema is correctly configured without duplicate indexes.