How To Fix NRSCNV311 - Index &1 dropped

SAP Error Message - Details

• Message type: E = Error

• Message class: NRSCNV - Message class

• Message number: 311

• Message text: Index &1 dropped

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NRSCNV311 - Index &1 dropped ?

  The SAP error message NRSCNV311, which states "Index &1 dropped," typically occurs during the execution of a database operation, particularly when an index is being dropped or is no longer valid. This can happen for various reasons, including changes in the underlying database structure, issues with database consistency, or problems during data migration or upgrades.
  Cause:
  
  Database Structure Changes: The index may have been dropped due to changes in the database schema, such as modifications to the table structure or the removal of the index itself.
  Data Migration Issues: During data migration or system upgrades, inconsistencies can arise that lead to the dropping of indexes.
  Corruption or Inconsistency: There may be corruption in the database or inconsistencies that cause the index to be dropped.
  Manual Intervention: An administrator may have manually dropped the index for maintenance or optimization purposes.
  
  Solution:
  
  Recreate the Index: If the index is essential for performance or data integrity, you can recreate it using the appropriate SQL commands or through the SAP transaction codes (like SE11 for Data Dictionary).
  Check Database Logs: Review the database logs to identify the exact cause of the index drop. This can provide insights into whether it was a manual action or an automated process.
  Run Consistency Checks: Use SAP tools to run consistency checks on the database to ensure that there are no underlying issues causing the index to drop.
  Review Recent Changes: If the issue occurred after a recent change (like an upgrade or migration), review those changes to identify any potential problems.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on how to resolve it.
  Database Administration: If you have access to the database administration tools, you can check for any issues at the database level that might be causing the index to drop.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), and ST22 (Dump Analysis) for troubleshooting.
  SAP Notes: Search for SAP Notes related to NRSCNV311 for specific guidance or patches that may address the issue.
  Database Documentation: Review the documentation for your specific database (e.g., HANA, Oracle, SQL Server) for best practices regarding index management and troubleshooting.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support or a database administrator for further assistance.