How To Fix R8285 - Extraction structure &1 of append DataSource &2 must be append ('APPE')

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 285

• Message text: Extraction structure &1 of append DataSource &2 must be append ('APPE')

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8285 - Extraction structure &1 of append DataSource &2 must be append ('APPE') ?

  The SAP error message R8285 indicates that there is an issue with the extraction structure of a DataSource in SAP BW (Business Warehouse). Specifically, it states that the extraction structure must be an append structure. This error typically arises when you are trying to use a DataSource that is not properly configured as an append structure.
  Cause:
  
  Incorrect Configuration: The extraction structure defined for the DataSource is not set up as an append structure. In SAP BW, append structures are used to extend the standard structures with additional fields.
  DataSource Type: The DataSource you are trying to use may not be designed to support appending, or it may have been incorrectly defined in the system.
  Transport Issues: If the DataSource was transported from another system, there may have been issues during the transport that caused the structure to be misconfigured.
  
  Solution:
  
  
  Check the DataSource Configuration:
  
  Go to the DataSource in the SAP BW system (transaction code RSA1).
  Navigate to the DataSource and check the extraction structure.
  Ensure that the extraction structure is defined as an append structure. You can do this by checking the properties of the structure in the Data Dictionary (transaction code SE11).
  
  
  
  Modify the Structure:
  
  If the extraction structure is not an append structure, you may need to create a new append structure or modify the existing one to ensure it meets the requirements.
  Use transaction SE11 to create or modify the append structure. Make sure to include the necessary fields and ensure it is linked correctly to the DataSource.
  
  
  
  Re-activate the DataSource:
  
  After making changes to the extraction structure, you may need to re-activate the DataSource. This can be done in the DataSource maintenance screen in RSA1.
  
  
  
  Check for Transport Issues:
  
  If the DataSource was recently transported, check the transport logs for any errors or warnings that may indicate issues with the DataSource configuration.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific DataSource you are working with for any additional configuration steps or requirements.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  SE11: Data Dictionary
  SE80: Object Navigator
  
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific DataSource or extraction structure.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the R8285 error and ensure that your DataSource is correctly configured for extraction in SAP BW.