How To Fix DA128 - Index & already exists in the database

SAP Error Message - Details

• Message type: E = Error

• Message class: DA - Dictionary: Compare, distribution, timer, instantiation

• Message number: 128

• Message text: Index & already exists in the database

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DA128 - Index & already exists in the database ?

  The SAP error message DA128, which states "Index & already exists in the database," typically occurs when there is an attempt to create an index in the database that already exists. This can happen during various operations, such as data migration, system upgrades, or when running certain transactions that involve database schema changes.
  Cause:
  
  Duplicate Index Creation: The most common cause is that the index you are trying to create already exists in the database. This can happen if the index was created previously, either manually or automatically by the system.
  Database Migration or Upgrade: During a database migration or upgrade, the system might attempt to recreate indexes that already exist.
  Custom Development: Custom programs or enhancements may inadvertently try to create an index that is already defined in the database.
  
  Solution:
  
  
  Check Existing Indexes: Use database tools or SQL queries to check if the index already exists. You can query the database catalog or use transaction codes like SE11 (Data Dictionary) to view existing indexes.
  Example SQL query to check for existing indexes:
  SELECT * FROM user_indexes WHERE index_name = 'YOUR_INDEX_NAME';
  
  
  Modify the Index Creation Logic: If you are developing custom code, ensure that the logic checks for the existence of the index before attempting to create it. This can be done using conditional statements in your code.
  
  
  Drop the Existing Index: If the existing index is not needed or is incorrect, you can drop it using SQL commands or through the SAP Data Dictionary. Be cautious with this approach, as dropping an index can affect performance and data integrity.
  Example SQL command to drop an index:
  DROP INDEX YOUR_INDEX_NAME;
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process you are executing. There may be specific guidelines or patches available that address this issue.
  
  
  SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance. They may provide insights or solutions based on the specific context of your system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), and SE80 (Object Navigator) for managing database objects.
  Database Administration: Understanding basic database administration concepts can help in troubleshooting issues related to indexes and database performance.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  
  By following these steps, you should be able to identify the cause of the DA128 error and implement a suitable solution.