How To Fix RSDS255 - Create PSA index

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 255

• Message text: Create PSA index

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 RSDS255 - Create PSA index ?

  The SAP error message RSDS255, which states "Create PSA index," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the Persistent Staging Area (PSA) index. This error can arise during data loading processes, particularly when data is being transferred from a source system into the PSA.
  Cause:
  
  Missing PSA Index: The PSA index may not have been created or may have been deleted, which is necessary for efficient data retrieval and processing.
  Data Load Issues: If there are issues with the data load process, such as incorrect data formats or connection problems, it may prevent the PSA index from being created.
  System Configuration: There may be configuration issues in the BW system that prevent the creation of the PSA index.
  Database Issues: Problems with the underlying database, such as locks or corruption, can also lead to this error.
  
  Solution:
  
  
  Create the PSA Index Manually:
  
  You can manually create the PSA index by navigating to the Data Warehousing Workbench (transaction code RSA1).
  Locate the relevant InfoSource or DataSource, and check the PSA. If the index is missing, you can create it by selecting the option to create or rebuild the index.
  
  
  
  Check Data Load Process:
  
  Review the data load process for any errors or warnings that may indicate why the index was not created.
  Ensure that the data being loaded is in the correct format and that there are no connectivity issues with the source system.
  
  
  
  System Configuration:
  
  Verify the configuration settings for the PSA and ensure that they are correctly set up.
  Check for any recent changes in the system that might have affected the PSA configuration.
  
  
  
  Database Health Check:
  
  Perform a health check on the underlying database to ensure that there are no locks or corruption issues.
  If necessary, consult with your database administrator to resolve any database-related issues.
  
  
  
  Re-run the Data Load:
  
  After addressing the above points, try re-running the data load process to see if the PSA index is created successfully.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSMO (Monitor Data Loads), and RSPC (Process Chain).
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently releases notes that address known issues and provide solutions.
  Documentation: Review SAP BW documentation for best practices on managing the PSA and understanding the data load process.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or your internal SAP BW team for further assistance.