How To Fix CNV20551286 - Index &1 of table &2 was deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20551 - message for package 20551 (company code delete)

• Message number: 286

• Message text: Index &1 of table &2 was deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551286 - Index &1 of table &2 was deleted ?

  The SAP error message CNV20551286, which states "Index &1 of table &2 was deleted," typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades. This error indicates that a specific index on a database table has been deleted, which can lead to performance issues or data integrity problems.
  Cause:
  
  Data Migration Issues: The error often arises during data migration activities where certain indexes are dropped or not created properly.
  Database Changes: Changes in the database schema, such as dropping or altering tables and indexes, can lead to this error.
  Inconsistent Data State: If the data in the table is inconsistent or if there are issues with the data load process, it may result in the deletion of indexes.
  System Upgrade: During an upgrade, certain indexes may be removed or not recreated as expected.
  
  Solution:
  
  Recreate the Index: If the index is essential for the performance of queries or data integrity, you may need to recreate it. This can typically be done using SQL commands or through the SAP transaction codes for database management.
  Check Migration Logs: Review the logs generated during the data migration process to identify any issues that may have led to the deletion of the index.
  Database Consistency Check: Perform a consistency check on the database to ensure that all necessary indexes are present and functioning correctly.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Engage SAP Support: If the issue persists or if you are unsure about the steps to take, consider reaching out to SAP Support for assistance.
  
  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 tables.
  Performance Tuning: If the index is critical for performance, consider reviewing the overall database performance and tuning it as necessary.
  
  Always ensure that you have a backup of your data before making any changes to the database schema or indexes.