How To Fix ESH_QL_MSG140 - Uniqueness violation error - please check entity keys

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_QL_MSG - ESH Query Logging

• Message number: 140

• Message text: Uniqueness violation error - please check entity keys

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_QL_MSG140 - Uniqueness violation error - please check entity keys ?

  The SAP error message ESH_QL_MSG140 indicates a uniqueness violation error, which typically occurs when there is an attempt to create or update an entity in the SAP system that would result in duplicate keys. This error is common in systems that manage data entities with unique identifiers, such as in the SAP Enterprise Search (SAP ESH) or SAP HANA environments.
  Cause:
  
  Duplicate Entries: The most common cause is that the data being inserted or updated already exists in the database with the same key or identifier.
  Data Synchronization Issues: If there are multiple sources of data or if data is being synchronized from different systems, inconsistencies can lead to duplicate keys.
  Incorrect Configuration: Misconfiguration of the entity keys or the data model can lead to violations of uniqueness constraints.
  Concurrent Transactions: If multiple transactions are trying to insert or update the same entity simultaneously, it can lead to conflicts.
  
  Solution:
  
  Check Existing Data: Review the existing entries in the database to identify if the key you are trying to insert or update already exists. You can use SQL queries or SAP transaction codes to check for duplicates.
  Modify the Key: If the key is indeed a duplicate, consider modifying the key for the new entry to ensure it is unique.
  Data Cleanup: If there are unintended duplicates in the database, you may need to clean up the data by removing or merging duplicate entries.
  Review Configuration: Check the configuration of the entity keys in your data model to ensure they are set up correctly and that there are no conflicts.
  Transaction Management: If concurrent transactions are causing the issue, consider implementing locking mechanisms or transaction management strategies to prevent conflicts.
  Error Handling: Implement error handling in your application to catch this error and provide meaningful feedback to users, guiding them on how to resolve the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to ESH and uniqueness violations for any patches or updates that may address known issues.
  Documentation: Review the SAP documentation for the specific module you are working with to understand the data model and uniqueness constraints.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the cause of the uniqueness violation error and implement a solution to resolve it.