How To Fix ESH_HANA_ADMIN049 - Proxy API error: Attempt to modify HDB column table via TREX API '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_HANA_ADMIN - ESH HANA Index Administration

• Message number: 049

• Message text: Proxy API error: Attempt to modify HDB column table via TREX API '&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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_HANA_ADMIN049 - Proxy API error: Attempt to modify HDB column table via TREX API '&1' ?

  The SAP error message ESH_HANA_ADMIN049 indicates that there is an issue with attempting to modify a HANA column table using the TREX API. This error typically arises in the context of SAP's Enterprise Search (ESH) or when working with HANA database tables through the TREX (Text Retrieval and Extraction) engine.
  Cause:
  The error occurs due to the following reasons:
  
  Incompatibility: The TREX API is not designed to modify HANA column tables directly. The HANA database has its own mechanisms for handling data modifications, and using TREX for this purpose can lead to inconsistencies.
  Configuration Issues: There may be misconfigurations in the system that lead to the attempt to use the TREX API for operations that should be handled by HANA directly.
  Version Mismatch: There could be a version mismatch between the components of SAP that are being used, leading to unexpected behavior.
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Use HANA SQL for Modifications: Instead of using the TREX API, perform any modifications to the HANA column tables using HANA SQL commands. This ensures that the operations are compatible with the HANA database.
  
  
  Check Configuration: Review the configuration settings for both the TREX and HANA components. Ensure that they are set up correctly and that there are no misconfigurations that could lead to this error.
  
  
  Update Components: Ensure that all relevant SAP components (including HANA and TREX) are updated to the latest versions. This can help resolve compatibility issues.
  
  
  Consult Documentation: Refer to the official SAP documentation for Enterprise Search and HANA to understand the correct usage patterns and APIs for modifying data.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system configuration and version.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the SAP HANA and TREX documentation for best practices on data management and API usage.
  
  By following these steps, you should be able to address the ESH_HANA_ADMIN049 error effectively.