How To Fix TREX_EXT_PE004 - Request &1: Query entries define an empty selection

SAP Error Message - Details

• Message type: E = Error

• Message class: TREX_EXT_PE - TREX Planning Engine

• Message number: 004

• Message text: Request &1: Query entries define an empty selection

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TREX_EXT_PE004 - Request &1: Query entries define an empty selection ?

  The SAP error message TREX_EXT_PE004, which states "Request &1: Query entries define an empty selection," typically occurs in the context of SAP's TREX (Text Retrieval and Extraction) engine, often when dealing with search queries or data retrieval processes. This error indicates that the query being executed does not have any valid selection criteria, resulting in an empty selection set.
  Cause:
  
  Empty Query Parameters: The query may not have any parameters defined, or the parameters provided do not match any records in the database.
  Incorrect Query Logic: The logic used to construct the query may be flawed, leading to a situation where no records can be selected.
  Data Issues: There may be no data available that meets the criteria specified in the query.
  Configuration Issues: The TREX configuration might not be set up correctly, leading to issues in how queries are processed.
  
  Solution:
  
  Check Query Parameters: Review the parameters being passed to the query. Ensure that they are correctly defined and that they correspond to existing data.
  Modify Query Logic: If the query logic is complex, simplify it to ensure that it can return results. Test the query with different parameters to see if it yields any results.
  Data Validation: Verify that the data you expect to retrieve actually exists in the database. You can do this by running a direct query against the database.
  Review TREX Configuration: Ensure that the TREX system is properly configured and that all necessary services are running. Check for any logs that might indicate configuration issues.
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance on the TREX engine and troubleshooting common issues.
  
  Related Information:
  
  TREX Documentation: SAP provides extensive documentation on TREX, including configuration and troubleshooting guides.
  SAP Notes: Check SAP Notes for any known issues related to TREX and this specific error message. SAP Notes often provide patches or workarounds.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it impacts critical business processes.
  
  By following these steps, you should be able to identify the cause of the TREX_EXT_PE004 error and implement a solution to resolve it.