How To Fix DD_DBAL016 - Table &1: Inverted hash/individual property of primary key set

SAP Error Message - Details

• Message type: E = Error

• Message class: DD_DBAL - ABAP Dictionary, Data Base Abstraction Layer

• Message number: 016

• Message text: Table &1: Inverted hash/individual property of primary key set

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DD_DBAL016 - Table &1: Inverted hash/individual property of primary key set ?

  The SAP error message DD_DBAL016 indicates that there is an issue with the primary key of a database table. Specifically, the message states that the table has an "inverted hash" or that the individual property of the primary key is set incorrectly. This can occur in various scenarios, such as during the creation of a table, modification of a table structure, or when performing database operations.
  Cause:
  
  Inverted Hash: This typically means that the hash algorithm used for the primary key is not functioning as expected. It may be due to a misconfiguration or corruption in the database metadata.
  Primary Key Configuration: The primary key may not be defined correctly, or there may be inconsistencies in the way the primary key is set up in the database compared to the application layer.
  Database Consistency Issues: There may be inconsistencies between the database schema and the application layer, possibly due to manual changes or failed updates.
  
  Solution:
  
  Check Table Definition: Review the definition of the table in the Data Dictionary (SE11) to ensure that the primary key is defined correctly. Make sure that all fields that should be part of the primary key are included and that there are no duplicates.
  Recreate the Table: If the table is not critical or can be recreated, consider dropping and recreating the table with the correct primary key settings.
  Database Consistency Check: Use transaction codes like SE14 (Database Utility) to check for inconsistencies in the database. This can help identify and resolve issues related to the table structure.
  Transport Requests: If the issue arose after a transport, check the transport request for any inconsistencies or errors that may have occurred during the transport process.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
  Consult SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE80 (Object Navigator).
  SAP Notes: Always check the SAP Support Portal for any specific notes related to this error message, as they may provide additional context or solutions.
  Database Administration: Ensure that your database is properly maintained and that regular checks are performed to avoid corruption or inconsistencies.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the DD_DBAL016 error message in SAP.