How To Fix RSDS128 - The function cannot be executed

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 128

• Message text: The function cannot be executed

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS128 - The function cannot be executed ?

  The SAP error message RSDS128, which states "The function cannot be executed," typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when there is an issue with executing a specific function or process. This error can arise from various causes, and the solutions may vary depending on the specific context in which the error occurs. Here are some common causes and potential solutions:
  Common Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to execute the function.
  Incorrect Configuration: There may be a misconfiguration in the data source or the process chain.
  Data Source Issues: The data source may not be active or properly set up.
  Technical Errors: There could be underlying technical issues, such as problems with the database or the BW system itself.
  Process Chain Status: If the error occurs during a process chain execution, the process chain may be in a failed state or not properly scheduled.
  
  Solutions:
  
  
  Check Authorizations:
  
  Ensure that the user executing the function has the necessary authorizations. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  
  
  
  Review Configuration:
  
  Verify the configuration of the data source or the process chain. Ensure that all settings are correct and that the data source is active.
  
  
  
  Activate Data Source:
  
  If the error is related to a data source, check if it is active. You can do this in transaction RSA1 (Data Warehousing Workbench) by navigating to the data source and ensuring it is activated.
  
  
  
  Check Process Chain:
  
  If the error occurs during a process chain execution, check the status of the process chain in transaction RSPC. Look for any failed steps and analyze the logs for more details.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for any additional error messages or details that can provide more context about the issue.
  
  
  
  Technical Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to your SAP Basis team or SAP support for further assistance. They can help diagnose any underlying technical issues.
  
  
  
  System Health Check:
  
  Perform a health check of the SAP BW system to ensure that all components are functioning correctly. This includes checking database connections, system performance, and any recent changes that may have affected the system.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RSDS128.
  Documentation: Review SAP documentation for BW and process chains to understand the expected configurations and settings.
  Community Forums: Check SAP Community forums for discussions related to RSDS128, as other users may have encountered similar issues and shared their solutions.
  
  By following these steps, you should be able to diagnose and resolve the RSDS128 error in your SAP BW environment.