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

R8285 - Overview

• 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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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 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