How To Fix RSDF_GENERATOR027 - Primary characteristic must be a characteristic

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDF_GENERATOR - Messages for Data Flow Wizard

• Message number: 027

• Message text: Primary characteristic must be a characteristic

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.

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 RSDF_GENERATOR027 - Primary characteristic must be a characteristic ?

  The SAP error message RSDF_GENERATOR027 indicates that there is an issue with the configuration of a DataSource in SAP BW (Business Warehouse) or SAP BW/4HANA. Specifically, the error states that the "Primary characteristic must be a characteristic," which means that the system expects a primary characteristic to be defined, but it is either missing or incorrectly configured.
  Cause:
  
  Incorrect Configuration: The DataSource may not have a primary characteristic defined, or the defined primary characteristic is not recognized as a valid characteristic.
  DataSource Type: The DataSource might be of a type that does not support the definition of a primary characteristic.
  Field Mapping Issues: There may be issues with how fields are mapped in the DataSource, leading to the system not recognizing the primary characteristic.
  Missing InfoObject: The characteristic that is supposed to be the primary characteristic may not exist in the InfoObjects or may not be activated.
  
  Solution:
  
  
  Check DataSource Configuration:
  
  Go to the DataSource in the SAP BW system and verify that a primary characteristic is defined.
  Ensure that the primary characteristic is a valid InfoObject and is correctly configured.
  
  
  
  Verify InfoObjects:
  
  Check if the InfoObject that you are trying to use as a primary characteristic is active and correctly defined in the system.
  If it is missing, you may need to create or activate it.
  
  
  
  Field Mapping:
  
  Review the field mapping in the DataSource to ensure that the primary characteristic is correctly mapped to the corresponding field in the source system.
  
  
  
  DataSource Type:
  
  Ensure that the DataSource type supports the use of primary characteristics. If it does not, you may need to change the DataSource type or adjust your approach.
  
  
  
  Recreate DataSource:
  
  If the above steps do not resolve the issue, consider recreating the DataSource with the correct settings.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error message.
  Documentation: Refer to the SAP BW documentation for guidelines on configuring DataSources and characteristics.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to access and manage DataSources and InfoObjects.
  
  By following these steps, you should be able to identify and resolve the issue causing the RSDF_GENERATOR027 error in your SAP BW environment.