How To Fix ESH_EX088 - Customized extraction packagesize cannot be read: Unknown logical system

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_EX - Extraction

• Message number: 088

• Message text: Customized extraction packagesize cannot be read: Unknown logical system

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_EX088 - Customized extraction packagesize cannot be read: Unknown logical system ?

  The SAP error message ESH_EX088 indicates that there is an issue with reading the customized extraction package size due to an "Unknown logical system." This error typically arises in the context of SAP's Enterprise Search or when dealing with data extraction processes.
  Cause:
  
  
  Unknown Logical System: The logical system that is being referenced in the extraction process is not recognized by the SAP system. This could be due to:
  
  The logical system not being defined in the system.
  The logical system being incorrectly configured or deleted.
  A mismatch between the logical system name in the configuration and the one being used in the extraction process.
  
  
  
  Configuration Issues: There may be issues in the configuration settings related to the extraction process, such as missing or incorrect entries in the relevant tables.
  
  
  Transport Issues: If the configuration was transported from another system, it might not have been transported correctly, leading to inconsistencies.
  
  
  Solution:
  
  
  Check Logical System Configuration:
  
  Go to transaction SM59 (RFC Destinations) and verify that the logical system is correctly defined.
  Ensure that the logical system is active and properly configured.
  
  
  
  Verify Customization:
  
  Check the customization settings for the extraction package size. This can typically be done in the relevant customizing transaction (e.g., SPRO).
  Ensure that the settings for the logical system are correctly maintained.
  
  
  
  Check Table Entries:
  
  Look into the relevant tables (like T000, TBDLS, etc.) to ensure that the logical system is correctly defined and that there are no inconsistencies.
  
  
  
  Transport Requests:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly.
  If needed, re-transport the configuration or manually adjust the settings.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of SAP you are using, as there may be specific patches or notes addressing this issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance, providing them with the error details and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and SPRO (Customizing) for deeper investigation.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional troubleshooting steps.
  System Logs: Check system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the ESH_EX088 error in your SAP system.