How To Fix ESH_SEARCH191 - Duplicate key datatype ID &1

ESH_SEARCH191 - Overview

• 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