How To Fix EM502 - Extract &1 already exists with different attributes

SAP Error Message - Details

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 502

• Message text: Extract &1 already exists with different attributes

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EM502 - Extract &1 already exists with different attributes ?

  The SAP error message EM502, which states "Extract &1 already exists with different attributes," typically occurs in the context of data extraction processes, particularly when working with SAP BW (Business Warehouse) or SAP Data Services. This error indicates that there is an attempt to create or modify an extract (data source) that already exists in the system but has different attributes (such as field definitions, data types, or other properties).
  Cause:
  
  Duplicate Extract: The extract you are trying to create or modify already exists in the system with the same name but has different attributes.
  Inconsistent Metadata: There may be inconsistencies in the metadata definitions of the existing extract and the one you are trying to create.
  Transport Issues: If you are transporting objects between different SAP systems (e.g., from development to production), there may be discrepancies in the extract definitions.
  
  Solution:
  
  
  Check Existing Extracts: 
  
  Use transaction codes like RSA1 (Data Warehousing Workbench) or RSA3 (DataSource Test) to check the existing extracts and their attributes.
  Verify if the extract you are trying to create already exists and compare its attributes with the new one.
  
  
  
  Modify or Delete Existing Extract:
  
  If the existing extract is not needed, you can delete it or modify its attributes to match the new extract you are trying to create.
  If you need to keep both extracts, consider renaming the new extract to avoid the conflict.
  
  
  
  Consistency Check:
  
  Ensure that the metadata definitions are consistent across different environments (development, quality, production).
  If you are using transports, ensure that all relevant objects are included in the transport request.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of SAP you are using, as there may be specific guidelines or patches available.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1, RSA3, and SE11 (Data Dictionary) to manage and troubleshoot data sources.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Data Source Attributes: Understand the attributes of data sources in SAP BW, including field names, data types, and extraction methods, to ensure compatibility.
  
  By following these steps, you should be able to identify the cause of the EM502 error and implement a suitable solution.