How To Fix D-171 - Data export aborted: destination session & & already contains data

SAP Error Message - Details

• Message type: E = Error

• Message class: D- -

• Message number: 171

• Message text: Data export aborted: destination session & & already contains data

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message D-171 - Data export aborted: destination session & & already contains data ?

  The SAP error message D-171, which states "Data export aborted: destination session & & already contains data," typically occurs during data export operations when the target session (or target table) already has data in it. This can happen in various scenarios, such as during data transfer processes, data migration, or when using tools like SAP Data Services or SAP BW.
  Cause:
  
  Existing Data: The primary cause of this error is that the destination session or table already contains data, and the system is configured to prevent overwriting or appending to existing data without explicit permission.
  Session Management: The session management settings may not allow for appending data to an already populated session.
  Data Integrity Constraints: There may be constraints in place that prevent the addition of new data to a session that already has records.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Clear Existing Data: If it is acceptable to remove the existing data, you can clear the destination session or table before running the export again. This can usually be done through a delete operation or by truncating the table.
  
  
  Change Session Settings: If you want to append data instead of replacing it, check the settings of the data export process. Some tools allow you to configure whether to append or overwrite existing data.
  
  
  Use a Different Session: If the data in the current session is needed, consider exporting the data to a different session or table that does not contain any existing data.
  
  
  Check for Data Integrity Rules: Review any data integrity rules or constraints that may be preventing the operation. Adjust these rules if necessary, but ensure that doing so will not compromise data integrity.
  
  
  Consult Documentation: Refer to the specific SAP documentation for the tool or module you are using, as there may be additional configuration options or best practices for handling data exports.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in managing sessions or data exports, such as SE11 for data dictionary objects or SE38 for executing reports.
  Data Management Best Practices: Implement best practices for data management in SAP to avoid similar issues in the future, such as regular data cleanup and proper session management.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further assistance.