How To Fix RSDS320 - DataSource &1(&2): Missing assignment of data, request &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 320

• Message text: DataSource &1(&2): Missing assignment of data, request &3

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 RSDS320 - DataSource &1(&2): Missing assignment of data, request &3 ?

  The SAP error message RSDS320 indicates that there is a missing assignment of data for a specific DataSource in the context of data extraction. This error typically occurs when the system is unable to find the necessary data assignment for a particular request in the DataSource specified.
  Cause:
  
  Missing Data Assignment: The most common cause of this error is that the DataSource is not properly assigned to the InfoProvider or the data model in the SAP BW system.
  Data Load Issues: There may be issues with the data load process, such as incomplete or failed data loads that prevent the system from finding the necessary data.
  Incorrect Configuration: The DataSource might not be correctly configured, or there may be inconsistencies in the settings related to the DataSource.
  Request Deletion: The request referenced in the error message may have been deleted or is no longer available in the system.
  
  Solution:
  
  
  Check DataSource Assignment:
  
  Go to the DataSource in the SAP BW system and verify that it is correctly assigned to the relevant InfoProvider (e.g., InfoCube, DataStore Object).
  Ensure that the DataSource is active and properly configured.
  
  
  
  Review Data Load Requests:
  
  Check the data load requests for the DataSource in the Data Warehousing Workbench (transaction RSA1).
  Look for any failed or incomplete requests and resolve any issues that may have caused the failure.
  
  
  
  Reprocess Data Load:
  
  If the data load request is missing or incomplete, you may need to reprocess the data load for the DataSource.
  Use transaction RSA3 to test the DataSource and ensure that it is returning data as expected.
  
  
  
  Check for Deletions:
  
  Verify if the request mentioned in the error message has been deleted. If so, you may need to reload the data to create a new request.
  
  
  
  Consult Logs:
  
  Check the application logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Technical Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP Basis or BW support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSA3: Test DataSource
  SLG1: Application Log
  
  
  Documentation: Refer to SAP Help documentation for detailed information on DataSources and data extraction processes.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the RSDS320 error.
  
  By following these steps, you should be able to identify and resolve the cause of the RSDS320 error in your SAP BW system.