How To Fix DT555 - Error converting index & in the database

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 555

• Message text: Error converting index & in the database

What causes this issue?

An error occurred when you convert the index in the database.

System Response

The new version of the index is not activate in the ABAP Dictionary.
The old version may still exist in the database, or the index may have
been deleted, but cannot be redefined.

How to fix this error?

Look at the error message from the database. You may need to switch to
a more detailed log display level.
When the error has been corrected, activate the index again or convert
it directly using the database utility.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT555 - Error converting index & in the database ?

  The SAP error message DT555, which states "Error converting index & in the database," typically occurs during data processing or when attempting to access or manipulate database indexes. This error can arise due to various reasons, including data inconsistencies, issues with the database structure, or problems with the index itself.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data that prevent the index from being converted or accessed correctly.
  Corrupted Index: The index itself may be corrupted or not properly defined, leading to conversion errors.
  Database Locking Issues: If the database is locked or if there are concurrent processes trying to access the same index, it may lead to this error.
  Version Mismatch: If there are discrepancies between the SAP application version and the database version, it may cause issues with index handling.
  Database Configuration Issues: Incorrect database settings or configurations can also lead to this error.
  
  Solutions:
  
  Check Data Consistency: Use transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to check for inconsistencies in the database tables and indexes.
  Rebuild Indexes: If the index is corrupted, you may need to rebuild it. This can be done using the database utility or specific SAP transactions.
  Database Maintenance: Perform regular database maintenance tasks, such as updating statistics and reorganizing tables, to ensure optimal performance and integrity.
  Check for Locks: Use transaction SM12 to check for any locks on the database that might be causing the issue. If necessary, release the locks.
  Review Database Logs: Check the database logs for any errors or warnings that might provide more context about the issue.
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide patches and updates.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, especially if it involves complex database issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE14, SM12, and DB02 for database monitoring and maintenance.
  SAP Notes: Regularly check SAP Notes for updates or fixes related to database issues and error messages.
  Database Documentation: Review the documentation for your specific database (e.g., HANA, Oracle, SQL Server) for best practices in index management and troubleshooting.
  
  By following these steps, you should be able to diagnose and resolve the DT555 error in SAP.