How To Fix ESH_SEARCH191 - Duplicate key datatype ID &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_SEARCH - ESH Search

• Message number: 191

• Message text: Duplicate key datatype ID &1

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 ESH_SEARCH191 - Duplicate key datatype ID &1 ?

  The SAP error message ESH_SEARCH191, which indicates a "Duplicate key datatype ID &1," typically arises in the context of the SAP Enterprise Search (ESH) or the SAP HANA Search. This error suggests that there is a conflict due to the presence of duplicate entries for a specific key datatype ID in the system.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are multiple entries in the database or configuration that share the same key datatype ID. This can happen due to incorrect data imports, configuration errors, or issues during the indexing process.
  Configuration Issues: Misconfigurations in the search settings or data sources can lead to the system trying to index the same data multiple times.
  Data Model Changes: If there have been recent changes to the data model or the way data is indexed, it might lead to inconsistencies that result in duplicate keys.
  
  Solution:
  
  Identify Duplicates: Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables for duplicate entries. Look for the specific datatype ID mentioned in the error message.
  Remove Duplicates: Once identified, you may need to delete or correct the duplicate entries in the database. Ensure that you have backups and that you understand the implications of removing data.
  Check Configuration: Review the configuration settings for the search and ensure that there are no misconfigurations that could lead to duplicate entries. This includes checking the data sources and indexing settings.
  Re-indexing: After resolving the duplicates, you may need to re-index the search to ensure that the changes take effect. This can often be done through the SAP GUI or relevant transaction codes.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of your SAP system for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error. SAP frequently releases notes that address known issues.
  Logs and Traces: Review system logs and traces for additional context around the error. This can provide insights into what operations were being performed when the error occurred.
  Support: If the issue persists after attempting the above solutions, consider reaching out to SAP support for further assistance. They can provide more tailored guidance based on your specific system configuration and version.
  
  By following these steps, you should be able to resolve the ESH_SEARCH191 error and prevent it from occurring in the future.