How To Fix ST791 - Fuzzy search deactivated

SAP Error Message - Details

• Message type: E = Error

• Message class: ST - Terminology Database

• Message number: 791

• Message text: Fuzzy search deactivated

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 ST791 - Fuzzy search deactivated ?

  The SAP error message ST791, which states "Fuzzy search deactivated," typically occurs in the context of the SAP system's search functionalities, particularly when using the SAP NetWeaver Search and Classification (TREX) or similar search services. This error indicates that the fuzzy search feature, which allows for approximate matching of search terms, is currently disabled.
  Cause:
  
  Fuzzy Search Configuration: The fuzzy search feature may not be enabled in the system configuration. This can happen if the settings were not properly configured during the initial setup or if they were changed later.
  System Settings: The underlying search engine (like TREX) may not have fuzzy search capabilities enabled or properly configured.
  Version Limitations: Certain versions of SAP or specific configurations may not support fuzzy search.
  User Authorizations: The user may not have the necessary authorizations to perform fuzzy searches.
  
  Solution:
  
  
  Enable Fuzzy Search:
  
  Go to the transaction code SICF and check the service configuration for the search service.
  Ensure that the fuzzy search option is enabled in the relevant settings.
  You may need to consult with your SAP Basis team or system administrator to make these changes.
  
  
  
  Check TREX Configuration:
  
  If you are using TREX, access the TREX administration tools and verify that fuzzy search is enabled.
  You can check the TREX settings in the transaction TREX_ADMIN or through the relevant configuration files.
  
  
  
  Review User Authorizations:
  
  Ensure that the user encountering the error has the necessary authorizations to perform fuzzy searches. This may involve checking roles and permissions in the user profile.
  
  
  
  Consult Documentation:
  
  Refer to the SAP Help Portal or relevant SAP Notes for detailed instructions on enabling fuzzy search and troubleshooting related issues.
  
  
  
  System Update:
  
  If the issue persists, consider checking for any available updates or patches for your SAP system that may address this issue.
  
  
  
  Related Information:
  
  SAP Notes: Search for specific SAP Notes related to ST791 or fuzzy search issues in the SAP Support Portal. These notes often contain fixes or workarounds for known issues.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Documentation: Review the official SAP documentation for the specific version of your SAP system to understand the capabilities and configuration options for fuzzy search.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.